Home / 23,419.23-32,319.02-12,809.55

Finding the Fourth Proportional to 23,419.23, 32,319.02 and 12,809.55

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Solution

The fourth proportional to 23,419.23, 32,319.02 and 12,809.55 is: 17,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,419.23 : 32,319.02 = 12,809.55 : x
  2. Step 2: Convert to fraction form
    23,419.23/32,319.02 = 12,809.55/x
  3. Step 3: Cross multiply
    23,419.23x = 32,319.02 × 12,809.55
  4. Step 4: Simplify right side
    23,419.23x = 413,992,102.64
  5. Step 5: Solve for x
    x = 413,992,102.64/23,419.23
  6. Step 6: Final answer
    x = 17,677.44

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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.