Home / 25,690.62-35,463.98-15,622.29

Finding the Fourth Proportional to 25,690.62, 35,463.98 and 15,622.29

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Solution

The fourth proportional to 25,690.62, 35,463.98 and 15,622.29 is: 21,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.62 : 35,463.98 = 15,622.29 : x
  2. Step 2: Convert to fraction form
    25,690.62/35,463.98 = 15,622.29/x
  3. Step 3: Cross multiply
    25,690.62x = 35,463.98 × 15,622.29
  4. Step 4: Simplify right side
    25,690.62x = 554,028,502.00
  5. Step 5: Solve for x
    x = 554,028,502.00/25,690.62
  6. Step 6: Final answer
    x = 21,565.40

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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.