Home / 19,449.68-26,813.28-13,767.52

Finding the Fourth Proportional to 19,449.68, 26,813.28 and 13,767.52

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Solution

The fourth proportional to 19,449.68, 26,813.28 and 13,767.52 is: 18,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.68 : 26,813.28 = 13,767.52 : x
  2. Step 2: Convert to fraction form
    19,449.68/26,813.28 = 13,767.52/x
  3. Step 3: Cross multiply
    19,449.68x = 26,813.28 × 13,767.52
  4. Step 4: Simplify right side
    19,449.68x = 369,152,368.67
  5. Step 5: Solve for x
    x = 369,152,368.67/19,449.68
  6. Step 6: Final answer
    x = 18,979.87

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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.