Home / 23,398.02-32,289.48-12,787.92

Finding the Fourth Proportional to 23,398.02, 32,289.48 and 12,787.92

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Solution

The fourth proportional to 23,398.02, 32,289.48 and 12,787.92 is: 17,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,398.02 : 32,289.48 = 12,787.92 : x
  2. Step 2: Convert to fraction form
    23,398.02/32,289.48 = 12,787.92/x
  3. Step 3: Cross multiply
    23,398.02x = 32,289.48 × 12,787.92
  4. Step 4: Simplify right side
    23,398.02x = 412,915,287.08
  5. Step 5: Solve for x
    x = 412,915,287.08/23,398.02
  6. Step 6: Final answer
    x = 17,647.45

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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.