Home / 23,664.12-32,655.78-12,909.30

Finding the Fourth Proportional to 23,664.12, 32,655.78 and 12,909.30

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Solution

The fourth proportional to 23,664.12, 32,655.78 and 12,909.30 is: 17,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,664.12 : 32,655.78 = 12,909.30 : x
  2. Step 2: Convert to fraction form
    23,664.12/32,655.78 = 12,909.30/x
  3. Step 3: Cross multiply
    23,664.12x = 32,655.78 × 12,909.30
  4. Step 4: Simplify right side
    23,664.12x = 421,563,260.75
  5. Step 5: Solve for x
    x = 421,563,260.75/23,664.12
  6. Step 6: Final answer
    x = 17,814.45

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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.