Home / 12,354.32-18,531.39-10,501.04

Finding the Fourth Proportional to 12,354.32, 18,531.39 and 10,501.04

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Solution

The fourth proportional to 12,354.32, 18,531.39 and 10,501.04 is: 15,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.32 : 18,531.39 = 10,501.04 : x
  2. Step 2: Convert to fraction form
    12,354.32/18,531.39 = 10,501.04/x
  3. Step 3: Cross multiply
    12,354.32x = 18,531.39 × 10,501.04
  4. Step 4: Simplify right side
    12,354.32x = 194,598,867.65
  5. Step 5: Solve for x
    x = 194,598,867.65/12,354.32
  6. Step 6: Final answer
    x = 15,751.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.