Home / 25,810.75-38,689.98-17,491.61

Finding the Fourth Proportional to 25,810.75, 38,689.98 and 17,491.61

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Solution

The fourth proportional to 25,810.75, 38,689.98 and 17,491.61 is: 26,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.75 : 38,689.98 = 17,491.61 : x
  2. Step 2: Convert to fraction form
    25,810.75/38,689.98 = 17,491.61/x
  3. Step 3: Cross multiply
    25,810.75x = 38,689.98 × 17,491.61
  4. Step 4: Simplify right side
    25,810.75x = 676,750,041.07
  5. Step 5: Solve for x
    x = 676,750,041.07/25,810.75
  6. Step 6: Final answer
    x = 26,219.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.