Home / 25,138.64-34,689.30-14,528.96

Finding the Fourth Proportional to 25,138.64, 34,689.30 and 14,528.96

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Solution

The fourth proportional to 25,138.64, 34,689.30 and 14,528.96 is: 20,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.64 : 34,689.30 = 14,528.96 : x
  2. Step 2: Convert to fraction form
    25,138.64/34,689.30 = 14,528.96/x
  3. Step 3: Cross multiply
    25,138.64x = 34,689.30 × 14,528.96
  4. Step 4: Simplify right side
    25,138.64x = 503,999,452.13
  5. Step 5: Solve for x
    x = 503,999,452.13/25,138.64
  6. Step 6: Final answer
    x = 20,048.80

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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.