Home / 26,111.28-36,030.96-15,499.20

Finding the Fourth Proportional to 26,111.28, 36,030.96 and 15,499.20

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Solution

The fourth proportional to 26,111.28, 36,030.96 and 15,499.20 is: 21,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.28 : 36,030.96 = 15,499.20 : x
  2. Step 2: Convert to fraction form
    26,111.28/36,030.96 = 15,499.20/x
  3. Step 3: Cross multiply
    26,111.28x = 36,030.96 × 15,499.20
  4. Step 4: Simplify right side
    26,111.28x = 558,451,055.23
  5. Step 5: Solve for x
    x = 558,451,055.23/26,111.28
  6. Step 6: Final answer
    x = 21,387.35

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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.