Home / 27,475.76-37,916.12-14,900.40

Finding the Fourth Proportional to 27,475.76, 37,916.12 and 14,900.40

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Solution

The fourth proportional to 27,475.76, 37,916.12 and 14,900.40 is: 20,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475.76 : 37,916.12 = 14,900.40 : x
  2. Step 2: Convert to fraction form
    27,475.76/37,916.12 = 14,900.40/x
  3. Step 3: Cross multiply
    27,475.76x = 37,916.12 × 14,900.40
  4. Step 4: Simplify right side
    27,475.76x = 564,965,354.45
  5. Step 5: Solve for x
    x = 564,965,354.45/27,475.76
  6. Step 6: Final answer
    x = 20,562.32

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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.