Home / 25,504.74-35,187.84-15,938.10

Finding the Fourth Proportional to 25,504.74, 35,187.84 and 15,938.10

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Solution

The fourth proportional to 25,504.74, 35,187.84 and 15,938.10 is: 21,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504.74 : 35,187.84 = 15,938.10 : x
  2. Step 2: Convert to fraction form
    25,504.74/35,187.84 = 15,938.10/x
  3. Step 3: Cross multiply
    25,504.74x = 35,187.84 × 15,938.10
  4. Step 4: Simplify right side
    25,504.74x = 560,827,312.70
  5. Step 5: Solve for x
    x = 560,827,312.70/25,504.74
  6. Step 6: Final answer
    x = 21,989.14

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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.