Home / 28,301.58-42,436.11-11,673.06

Finding the Fourth Proportional to 28,301.58, 42,436.11 and 11,673.06

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Solution

The fourth proportional to 28,301.58, 42,436.11 and 11,673.06 is: 17,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.58 : 42,436.11 = 11,673.06 : x
  2. Step 2: Convert to fraction form
    28,301.58/42,436.11 = 11,673.06/x
  3. Step 3: Cross multiply
    28,301.58x = 42,436.11 × 11,673.06
  4. Step 4: Simplify right side
    28,301.58x = 495,359,258.20
  5. Step 5: Solve for x
    x = 495,359,258.20/28,301.58
  6. Step 6: Final answer
    x = 17,502.88

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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.