Home / 15,965.18-22,031.74-8,794.95

Finding the Fourth Proportional to 15,965.18, 22,031.74 and 8,794.95

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Solution

The fourth proportional to 15,965.18, 22,031.74 and 8,794.95 is: 12,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.18 : 22,031.74 = 8,794.95 : x
  2. Step 2: Convert to fraction form
    15,965.18/22,031.74 = 8,794.95/x
  3. Step 3: Cross multiply
    15,965.18x = 22,031.74 × 8,794.95
  4. Step 4: Simplify right side
    15,965.18x = 193,768,051.71
  5. Step 5: Solve for x
    x = 193,768,051.71/15,965.18
  6. Step 6: Final answer
    x = 12,136.92

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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.