Home / 15,968.90-22,037.10-8,700.95

Finding the Fourth Proportional to 15,968.90, 22,037.10 and 8,700.95

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Solution

The fourth proportional to 15,968.90, 22,037.10 and 8,700.95 is: 12,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.90 : 22,037.10 = 8,700.95 : x
  2. Step 2: Convert to fraction form
    15,968.90/22,037.10 = 8,700.95/x
  3. Step 3: Cross multiply
    15,968.90x = 22,037.10 × 8,700.95
  4. Step 4: Simplify right side
    15,968.90x = 191,743,645.07
  5. Step 5: Solve for x
    x = 191,743,645.07/15,968.90
  6. Step 6: Final answer
    x = 12,007.32

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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.