Home / 15,602.22-21,532.50-9,314.46

Finding the Fourth Proportional to 15,602.22, 21,532.50 and 9,314.46

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Solution

The fourth proportional to 15,602.22, 21,532.50 and 9,314.46 is: 12,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.22 : 21,532.50 = 9,314.46 : x
  2. Step 2: Convert to fraction form
    15,602.22/21,532.50 = 9,314.46/x
  3. Step 3: Cross multiply
    15,602.22x = 21,532.50 × 9,314.46
  4. Step 4: Simplify right side
    15,602.22x = 200,563,609.95
  5. Step 5: Solve for x
    x = 200,563,609.95/15,602.22
  6. Step 6: Final answer
    x = 12,854.81

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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.