Home / 26,687.60-39,948.36-16,806.12

Finding the Fourth Proportional to 26,687.60, 39,948.36 and 16,806.12

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Solution

The fourth proportional to 26,687.60, 39,948.36 and 16,806.12 is: 25,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.60 : 39,948.36 = 16,806.12 : x
  2. Step 2: Convert to fraction form
    26,687.60/39,948.36 = 16,806.12/x
  3. Step 3: Cross multiply
    26,687.60x = 39,948.36 × 16,806.12
  4. Step 4: Simplify right side
    26,687.60x = 671,376,931.96
  5. Step 5: Solve for x
    x = 671,376,931.96/26,687.60
  6. Step 6: Final answer
    x = 25,156.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.