Home / 23,326.35-32,190.11-12,715.75

Finding the Fourth Proportional to 23,326.35, 32,190.11 and 12,715.75

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Solution

The fourth proportional to 23,326.35, 32,190.11 and 12,715.75 is: 17,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,326.35 : 32,190.11 = 12,715.75 : x
  2. Step 2: Convert to fraction form
    23,326.35/32,190.11 = 12,715.75/x
  3. Step 3: Cross multiply
    23,326.35x = 32,190.11 × 12,715.75
  4. Step 4: Simplify right side
    23,326.35x = 409,321,391.23
  5. Step 5: Solve for x
    x = 409,321,391.23/23,326.35
  6. Step 6: Final answer
    x = 17,547.60

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Half scale
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Find fourth proportional to 23,327.35, 32,191.49 and 12,716.75
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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.