Home / 25,161.60-34,708.65-15,597.12

Finding the Fourth Proportional to 25,161.60, 34,708.65 and 15,597.12

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Solution

The fourth proportional to 25,161.60, 34,708.65 and 15,597.12 is: 21,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.60 : 34,708.65 = 15,597.12 : x
  2. Step 2: Convert to fraction form
    25,161.60/34,708.65 = 15,597.12/x
  3. Step 3: Cross multiply
    25,161.60x = 34,708.65 × 15,597.12
  4. Step 4: Simplify right side
    25,161.60x = 541,355,138.49
  5. Step 5: Solve for x
    x = 541,355,138.49/25,161.60
  6. Step 6: Final answer
    x = 21,515.13

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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.