Home / 18,862.35-26,032.29-11,312.83

Finding the Fourth Proportional to 18,862.35, 26,032.29 and 11,312.83

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Solution

The fourth proportional to 18,862.35, 26,032.29 and 11,312.83 is: 15,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.35 : 26,032.29 = 11,312.83 : x
  2. Step 2: Convert to fraction form
    18,862.35/26,032.29 = 11,312.83/x
  3. Step 3: Cross multiply
    18,862.35x = 26,032.29 × 11,312.83
  4. Step 4: Simplify right side
    18,862.35x = 294,498,871.28
  5. Step 5: Solve for x
    x = 294,498,871.28/18,862.35
  6. Step 6: Final answer
    x = 15,613.05

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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.