Home / 23,280.48-32,127.71-13,209.35

Finding the Fourth Proportional to 23,280.48, 32,127.71 and 13,209.35

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Solution

The fourth proportional to 23,280.48, 32,127.71 and 13,209.35 is: 18,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.48 : 32,127.71 = 13,209.35 : x
  2. Step 2: Convert to fraction form
    23,280.48/32,127.71 = 13,209.35/x
  3. Step 3: Cross multiply
    23,280.48x = 32,127.71 × 13,209.35
  4. Step 4: Simplify right side
    23,280.48x = 424,385,939.40
  5. Step 5: Solve for x
    x = 424,385,939.40/23,280.48
  6. Step 6: Final answer
    x = 18,229.26

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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.