Home / 25,513.80-38,265.84-12,360.24

Finding the Fourth Proportional to 25,513.80, 38,265.84 and 12,360.24

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Solution

The fourth proportional to 25,513.80, 38,265.84 and 12,360.24 is: 18,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.80 : 38,265.84 = 12,360.24 : x
  2. Step 2: Convert to fraction form
    25,513.80/38,265.84 = 12,360.24/x
  3. Step 3: Cross multiply
    25,513.80x = 38,265.84 × 12,360.24
  4. Step 4: Simplify right side
    25,513.80x = 472,974,966.20
  5. Step 5: Solve for x
    x = 472,974,966.20/25,513.80
  6. Step 6: Final answer
    x = 18,538.01

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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.