Home / 23,397.81-32,288.91-12,787.45

Finding the Fourth Proportional to 23,397.81, 32,288.91 and 12,787.45

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Solution

The fourth proportional to 23,397.81, 32,288.91 and 12,787.45 is: 17,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,397.81 : 32,288.91 = 12,787.45 : x
  2. Step 2: Convert to fraction form
    23,397.81/32,288.91 = 12,787.45/x
  3. Step 3: Cross multiply
    23,397.81x = 32,288.91 × 12,787.45
  4. Step 4: Simplify right side
    23,397.81x = 412,892,822.18
  5. Step 5: Solve for x
    x = 412,892,822.18/23,397.81
  6. Step 6: Final answer
    x = 17,646.64

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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.