Home / 19,045.68-26,265.84-15,869.52

Finding the Fourth Proportional to 19,045.68, 26,265.84 and 15,869.52

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Solution

The fourth proportional to 19,045.68, 26,265.84 and 15,869.52 is: 21,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.68 : 26,265.84 = 15,869.52 : x
  2. Step 2: Convert to fraction form
    19,045.68/26,265.84 = 15,869.52/x
  3. Step 3: Cross multiply
    19,045.68x = 26,265.84 × 15,869.52
  4. Step 4: Simplify right side
    19,045.68x = 416,826,273.20
  5. Step 5: Solve for x
    x = 416,826,273.20/19,045.68
  6. Step 6: Final answer
    x = 21,885.61

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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.