Home / 23,530.02-32,471.49-12,920.34

Finding the Fourth Proportional to 23,530.02, 32,471.49 and 12,920.34

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Solution

The fourth proportional to 23,530.02, 32,471.49 and 12,920.34 is: 17,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,530.02 : 32,471.49 = 12,920.34 : x
  2. Step 2: Convert to fraction form
    23,530.02/32,471.49 = 12,920.34/x
  3. Step 3: Cross multiply
    23,530.02x = 32,471.49 × 12,920.34
  4. Step 4: Simplify right side
    23,530.02x = 419,542,691.11
  5. Step 5: Solve for x
    x = 419,542,691.11/23,530.02
  6. Step 6: Final answer
    x = 17,830.10

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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.