Home / 23,416.40-32,312.98-12,805.81

Finding the Fourth Proportional to 23,416.40, 32,312.98 and 12,805.81

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Solution

The fourth proportional to 23,416.40, 32,312.98 and 12,805.81 is: 17,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,416.40 : 32,312.98 = 12,805.81 : x
  2. Step 2: Convert to fraction form
    23,416.40/32,312.98 = 12,805.81/x
  3. Step 3: Cross multiply
    23,416.40x = 32,312.98 × 12,805.81
  4. Step 4: Simplify right side
    23,416.40x = 413,793,882.41
  5. Step 5: Solve for x
    x = 413,793,882.41/23,416.40
  6. Step 6: Final answer
    x = 17,671.11

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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.