Home / 19,009.69-26,233.37-11,456.13

Finding the Fourth Proportional to 19,009.69, 26,233.37 and 11,456.13

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Solution

The fourth proportional to 19,009.69, 26,233.37 and 11,456.13 is: 15,809.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.69 : 26,233.37 = 11,456.13 : x
  2. Step 2: Convert to fraction form
    19,009.69/26,233.37 = 11,456.13/x
  3. Step 3: Cross multiply
    19,009.69x = 26,233.37 × 11,456.13
  4. Step 4: Simplify right side
    19,009.69x = 300,532,981.11
  5. Step 5: Solve for x
    x = 300,532,981.11/19,009.69
  6. Step 6: Final answer
    x = 15,809.46

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Half scale
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Double scale
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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.