Home / 19,948.08-27,528.12-11,565.36

Finding the Fourth Proportional to 19,948.08, 27,528.12 and 11,565.36

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Solution

The fourth proportional to 19,948.08, 27,528.12 and 11,565.36 is: 15,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.08 : 27,528.12 = 11,565.36 : x
  2. Step 2: Convert to fraction form
    19,948.08/27,528.12 = 11,565.36/x
  3. Step 3: Cross multiply
    19,948.08x = 27,528.12 × 11,565.36
  4. Step 4: Simplify right side
    19,948.08x = 318,372,617.92
  5. Step 5: Solve for x
    x = 318,372,617.92/19,948.08
  6. Step 6: Final answer
    x = 15,960.06

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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.