Home / 15,990.51-22,070.85-10,894.46

Finding the Fourth Proportional to 15,990.51, 22,070.85 and 10,894.46

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Solution

The fourth proportional to 15,990.51, 22,070.85 and 10,894.46 is: 15,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.51 : 22,070.85 = 10,894.46 : x
  2. Step 2: Convert to fraction form
    15,990.51/22,070.85 = 10,894.46/x
  3. Step 3: Cross multiply
    15,990.51x = 22,070.85 × 10,894.46
  4. Step 4: Simplify right side
    15,990.51x = 240,449,922.99
  5. Step 5: Solve for x
    x = 240,449,922.99/15,990.51
  6. Step 6: Final answer
    x = 15,037.04

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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.