Home / 25,573.32-38,345.40-13,712.49

Finding the Fourth Proportional to 25,573.32, 38,345.40 and 13,712.49

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Solution

The fourth proportional to 25,573.32, 38,345.40 and 13,712.49 is: 20,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,573.32 : 38,345.40 = 13,712.49 : x
  2. Step 2: Convert to fraction form
    25,573.32/38,345.40 = 13,712.49/x
  3. Step 3: Cross multiply
    25,573.32x = 38,345.40 × 13,712.49
  4. Step 4: Simplify right side
    25,573.32x = 525,810,914.05
  5. Step 5: Solve for x
    x = 525,810,914.05/25,573.32
  6. Step 6: Final answer
    x = 20,560.92

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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.