Home / 25,877.70-35,715-14,548.13

Finding the Fourth Proportional to 25,877.70, 35,715 and 14,548.13

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Solution

The fourth proportional to 25,877.70, 35,715 and 14,548.13 is: 20,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877.70 : 35,715 = 14,548.13 : x
  2. Step 2: Convert to fraction form
    25,877.70/35,715 = 14,548.13/x
  3. Step 3: Cross multiply
    25,877.70x = 35,715 × 14,548.13
  4. Step 4: Simplify right side
    25,877.70x = 519,586,462.95
  5. Step 5: Solve for x
    x = 519,586,462.95/25,877.70
  6. Step 6: Final answer
    x = 20,078.54

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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.