Home / 26,217.18-39,292.93-20,648.53

Finding the Fourth Proportional to 26,217.18, 39,292.93 and 20,648.53

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Solution

The fourth proportional to 26,217.18, 39,292.93 and 20,648.53 is: 30,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,217.18 : 39,292.93 = 20,648.53 : x
  2. Step 2: Convert to fraction form
    26,217.18/39,292.93 = 20,648.53/x
  3. Step 3: Cross multiply
    26,217.18x = 39,292.93 × 20,648.53
  4. Step 4: Simplify right side
    26,217.18x = 811,341,243.89
  5. Step 5: Solve for x
    x = 811,341,243.89/26,217.18
  6. Step 6: Final answer
    x = 30,946.93

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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.