Home / 25,063.20-34,587.12-13,885.20

Finding the Fourth Proportional to 25,063.20, 34,587.12 and 13,885.20

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Solution

The fourth proportional to 25,063.20, 34,587.12 and 13,885.20 is: 19,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,063.20 : 34,587.12 = 13,885.20 : x
  2. Step 2: Convert to fraction form
    25,063.20/34,587.12 = 13,885.20/x
  3. Step 3: Cross multiply
    25,063.20x = 34,587.12 × 13,885.20
  4. Step 4: Simplify right side
    25,063.20x = 480,249,078.62
  5. Step 5: Solve for x
    x = 480,249,078.62/25,063.20
  6. Step 6: Final answer
    x = 19,161.52

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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.