Home / 18,309.61-27,464.40-17,374.66

Finding the Fourth Proportional to 18,309.61, 27,464.40 and 17,374.66

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Solution

The fourth proportional to 18,309.61, 27,464.40 and 17,374.66 is: 26,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.61 : 27,464.40 = 17,374.66 : x
  2. Step 2: Convert to fraction form
    18,309.61/27,464.40 = 17,374.66/x
  3. Step 3: Cross multiply
    18,309.61x = 27,464.40 × 17,374.66
  4. Step 4: Simplify right side
    18,309.61x = 477,184,612.10
  5. Step 5: Solve for x
    x = 477,184,612.10/18,309.61
  6. Step 6: Final answer
    x = 26,061.98

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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.