Home / 27,437.60-41,128.05-14,931.20

Finding the Fourth Proportional to 27,437.60, 41,128.05 and 14,931.20

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Solution

The fourth proportional to 27,437.60, 41,128.05 and 14,931.20 is: 22,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,437.60 : 41,128.05 = 14,931.20 : x
  2. Step 2: Convert to fraction form
    27,437.60/41,128.05 = 14,931.20/x
  3. Step 3: Cross multiply
    27,437.60x = 41,128.05 × 14,931.20
  4. Step 4: Simplify right side
    27,437.60x = 614,091,140.16
  5. Step 5: Solve for x
    x = 614,091,140.16/27,437.60
  6. Step 6: Final answer
    x = 22,381.37

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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.