Home / 19,083.16-26,346.94-15,554.76

Finding the Fourth Proportional to 19,083.16, 26,346.94 and 15,554.76

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Solution

The fourth proportional to 19,083.16, 26,346.94 and 15,554.76 is: 21,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.16 : 26,346.94 = 15,554.76 : x
  2. Step 2: Convert to fraction form
    19,083.16/26,346.94 = 15,554.76/x
  3. Step 3: Cross multiply
    19,083.16x = 26,346.94 × 15,554.76
  4. Step 4: Simplify right side
    19,083.16x = 409,820,328.43
  5. Step 5: Solve for x
    x = 409,820,328.43/19,083.16
  6. Step 6: Final answer
    x = 21,475.50

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Half scale
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Double scale
Find fourth proportional to 19,084.16, 26,348.32 and 15,555.76
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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.