Home / 23,288.50-32,140.56-13,219.66

Finding the Fourth Proportional to 23,288.50, 32,140.56 and 13,219.66

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Solution

The fourth proportional to 23,288.50, 32,140.56 and 13,219.66 is: 18,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,288.50 : 32,140.56 = 13,219.66 : x
  2. Step 2: Convert to fraction form
    23,288.50/32,140.56 = 13,219.66/x
  3. Step 3: Cross multiply
    23,288.50x = 32,140.56 × 13,219.66
  4. Step 4: Simplify right side
    23,288.50x = 424,887,275.41
  5. Step 5: Solve for x
    x = 424,887,275.41/23,288.50
  6. Step 6: Final answer
    x = 18,244.51

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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.