Home / 19,932.24-27,500.40-11,547.12

Finding the Fourth Proportional to 19,932.24, 27,500.40 and 11,547.12

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Solution

The fourth proportional to 19,932.24, 27,500.40 and 11,547.12 is: 15,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.24 : 27,500.40 = 11,547.12 : x
  2. Step 2: Convert to fraction form
    19,932.24/27,500.40 = 11,547.12/x
  3. Step 3: Cross multiply
    19,932.24x = 27,500.40 × 11,547.12
  4. Step 4: Simplify right side
    19,932.24x = 317,550,418.85
  5. Step 5: Solve for x
    x = 317,550,418.85/19,932.24
  6. Step 6: Final answer
    x = 15,931.50

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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.