Home / 15,954.68-22,017.30-8,880.98

Finding the Fourth Proportional to 15,954.68, 22,017.30 and 8,880.98

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Solution

The fourth proportional to 15,954.68, 22,017.30 and 8,880.98 is: 12,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.68 : 22,017.30 = 8,880.98 : x
  2. Step 2: Convert to fraction form
    15,954.68/22,017.30 = 8,880.98/x
  3. Step 3: Cross multiply
    15,954.68x = 22,017.30 × 8,880.98
  4. Step 4: Simplify right side
    15,954.68x = 195,535,200.95
  5. Step 5: Solve for x
    x = 195,535,200.95/15,954.68
  6. Step 6: Final answer
    x = 12,255.66

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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.