Home / 19,341.39-26,689.11-11,383.14

Finding the Fourth Proportional to 19,341.39, 26,689.11 and 11,383.14

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Solution

The fourth proportional to 19,341.39, 26,689.11 and 11,383.14 is: 15,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.39 : 26,689.11 = 11,383.14 : x
  2. Step 2: Convert to fraction form
    19,341.39/26,689.11 = 11,383.14/x
  3. Step 3: Cross multiply
    19,341.39x = 26,689.11 × 11,383.14
  4. Step 4: Simplify right side
    19,341.39x = 303,805,875.61
  5. Step 5: Solve for x
    x = 303,805,875.61/19,341.39
  6. Step 6: Final answer
    x = 15,707.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.