Home / 23,275.80-32,121.90-13,200.48

Finding the Fourth Proportional to 23,275.80, 32,121.90 and 13,200.48

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Solution

The fourth proportional to 23,275.80, 32,121.90 and 13,200.48 is: 18,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,275.80 : 32,121.90 = 13,200.48 : x
  2. Step 2: Convert to fraction form
    23,275.80/32,121.90 = 13,200.48/x
  3. Step 3: Cross multiply
    23,275.80x = 32,121.90 × 13,200.48
  4. Step 4: Simplify right side
    23,275.80x = 424,024,498.51
  5. Step 5: Solve for x
    x = 424,024,498.51/23,275.80
  6. Step 6: Final answer
    x = 18,217.40

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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.