Home / 25,438.35-35,068.05-17,861.61

Finding the Fourth Proportional to 25,438.35, 35,068.05 and 17,861.61

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Solution

The fourth proportional to 25,438.35, 35,068.05 and 17,861.61 is: 24,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.35 : 35,068.05 = 17,861.61 : x
  2. Step 2: Convert to fraction form
    25,438.35/35,068.05 = 17,861.61/x
  3. Step 3: Cross multiply
    25,438.35x = 35,068.05 × 17,861.61
  4. Step 4: Simplify right side
    25,438.35x = 626,371,832.56
  5. Step 5: Solve for x
    x = 626,371,832.56/25,438.35
  6. Step 6: Final answer
    x = 24,623.13

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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.