Home / 26,647.17-39,970.76-13,503.30

Finding the Fourth Proportional to 26,647.17, 39,970.76 and 13,503.30

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Solution

The fourth proportional to 26,647.17, 39,970.76 and 13,503.30 is: 20,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.17 : 39,970.76 = 13,503.30 : x
  2. Step 2: Convert to fraction form
    26,647.17/39,970.76 = 13,503.30/x
  3. Step 3: Cross multiply
    26,647.17x = 39,970.76 × 13,503.30
  4. Step 4: Simplify right side
    26,647.17x = 539,737,095.99
  5. Step 5: Solve for x
    x = 539,737,095.99/26,647.17
  6. Step 6: Final answer
    x = 20,254.95

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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.