Home / 25,612.64-35,347.96-15,540.29

Finding the Fourth Proportional to 25,612.64, 35,347.96 and 15,540.29

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Solution

The fourth proportional to 25,612.64, 35,347.96 and 15,540.29 is: 21,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.64 : 35,347.96 = 15,540.29 : x
  2. Step 2: Convert to fraction form
    25,612.64/35,347.96 = 15,540.29/x
  3. Step 3: Cross multiply
    25,612.64x = 35,347.96 × 15,540.29
  4. Step 4: Simplify right side
    25,612.64x = 549,317,524.55
  5. Step 5: Solve for x
    x = 549,317,524.55/25,612.64
  6. Step 6: Final answer
    x = 21,447.13

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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.