Home / 18,531.18-25,567.11-10,573.74

Finding the Fourth Proportional to 18,531.18, 25,567.11 and 10,573.74

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Solution

The fourth proportional to 18,531.18, 25,567.11 and 10,573.74 is: 14,588.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.18 : 25,567.11 = 10,573.74 : x
  2. Step 2: Convert to fraction form
    18,531.18/25,567.11 = 10,573.74/x
  3. Step 3: Cross multiply
    18,531.18x = 25,567.11 × 10,573.74
  4. Step 4: Simplify right side
    18,531.18x = 270,339,973.69
  5. Step 5: Solve for x
    x = 270,339,973.69/18,531.18
  6. Step 6: Final answer
    x = 14,588.38

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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.