Home / 18,531.41-25,572.98-10,572.35

Finding the Fourth Proportional to 18,531.41, 25,572.98 and 10,572.35

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Solution

The fourth proportional to 18,531.41, 25,572.98 and 10,572.35 is: 14,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.41 : 25,572.98 = 10,572.35 : x
  2. Step 2: Convert to fraction form
    18,531.41/25,572.98 = 10,572.35/x
  3. Step 3: Cross multiply
    18,531.41x = 25,572.98 × 10,572.35
  4. Step 4: Simplify right side
    18,531.41x = 270,366,393.67
  5. Step 5: Solve for x
    x = 270,366,393.67/18,531.41
  6. Step 6: Final answer
    x = 14,589.63

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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.