Home / 36,515.16-54,775.98-10,220.13

Finding the Fourth Proportional to 36,515.16, 54,775.98 and 10,220.13

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Solution

The fourth proportional to 36,515.16, 54,775.98 and 10,220.13 is: 15,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.16 : 54,775.98 = 10,220.13 : x
  2. Step 2: Convert to fraction form
    36,515.16/54,775.98 = 10,220.13/x
  3. Step 3: Cross multiply
    36,515.16x = 54,775.98 × 10,220.13
  4. Step 4: Simplify right side
    36,515.16x = 559,817,636.48
  5. Step 5: Solve for x
    x = 559,817,636.48/36,515.16
  6. Step 6: Final answer
    x = 15,331.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.