Home / 13,077.12-18,035.28-12,066.24

Finding the Fourth Proportional to 13,077.12, 18,035.28 and 12,066.24

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Solution

The fourth proportional to 13,077.12, 18,035.28 and 12,066.24 is: 16,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.12 : 18,035.28 = 12,066.24 : x
  2. Step 2: Convert to fraction form
    13,077.12/18,035.28 = 12,066.24/x
  3. Step 3: Cross multiply
    13,077.12x = 18,035.28 × 12,066.24
  4. Step 4: Simplify right side
    13,077.12x = 217,618,016.95
  5. Step 5: Solve for x
    x = 217,618,016.95/13,077.12
  6. Step 6: Final answer
    x = 16,641.13

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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.