Home / 25,038.38-37,528.38-13,939.76

Finding the Fourth Proportional to 25,038.38, 37,528.38 and 13,939.76

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Solution

The fourth proportional to 25,038.38, 37,528.38 and 13,939.76 is: 20,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,038.38 : 37,528.38 = 13,939.76 : x
  2. Step 2: Convert to fraction form
    25,038.38/37,528.38 = 13,939.76/x
  3. Step 3: Cross multiply
    25,038.38x = 37,528.38 × 13,939.76
  4. Step 4: Simplify right side
    25,038.38x = 523,136,422.75
  5. Step 5: Solve for x
    x = 523,136,422.75/25,038.38
  6. Step 6: Final answer
    x = 20,893.39

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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.