Home / 23,480.62-32,403.48-12,870.46

Finding the Fourth Proportional to 23,480.62, 32,403.48 and 12,870.46

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Solution

The fourth proportional to 23,480.62, 32,403.48 and 12,870.46 is: 17,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,480.62 : 32,403.48 = 12,870.46 : x
  2. Step 2: Convert to fraction form
    23,480.62/32,403.48 = 12,870.46/x
  3. Step 3: Cross multiply
    23,480.62x = 32,403.48 × 12,870.46
  4. Step 4: Simplify right side
    23,480.62x = 417,047,693.20
  5. Step 5: Solve for x
    x = 417,047,693.20/23,480.62
  6. Step 6: Final answer
    x = 17,761.36

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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.