Home / 18,870.24-26,058.76-12,167.92

Finding the Fourth Proportional to 18,870.24, 26,058.76 and 12,167.92

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Solution

The fourth proportional to 18,870.24, 26,058.76 and 12,167.92 is: 16,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.24 : 26,058.76 = 12,167.92 : x
  2. Step 2: Convert to fraction form
    18,870.24/26,058.76 = 12,167.92/x
  3. Step 3: Cross multiply
    18,870.24x = 26,058.76 × 12,167.92
  4. Step 4: Simplify right side
    18,870.24x = 317,080,906.98
  5. Step 5: Solve for x
    x = 317,080,906.98/18,870.24
  6. Step 6: Final answer
    x = 16,803.23

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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.