Home / 25,487.90-35,173.78-14,158.46

Finding the Fourth Proportional to 25,487.90, 35,173.78 and 14,158.46

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Solution

The fourth proportional to 25,487.90, 35,173.78 and 14,158.46 is: 19,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.90 : 35,173.78 = 14,158.46 : x
  2. Step 2: Convert to fraction form
    25,487.90/35,173.78 = 14,158.46/x
  3. Step 3: Cross multiply
    25,487.90x = 35,173.78 × 14,158.46
  4. Step 4: Simplify right side
    25,487.90x = 498,006,557.18
  5. Step 5: Solve for x
    x = 498,006,557.18/25,487.90
  6. Step 6: Final answer
    x = 19,538.94

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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.