Home / 15,959.68-22,037.20-14,278.08

Finding the Fourth Proportional to 15,959.68, 22,037.20 and 14,278.08

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Solution

The fourth proportional to 15,959.68, 22,037.20 and 14,278.08 is: 19,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.68 : 22,037.20 = 14,278.08 : x
  2. Step 2: Convert to fraction form
    15,959.68/22,037.20 = 14,278.08/x
  3. Step 3: Cross multiply
    15,959.68x = 22,037.20 × 14,278.08
  4. Step 4: Simplify right side
    15,959.68x = 314,648,904.58
  5. Step 5: Solve for x
    x = 314,648,904.58/15,959.68
  6. Step 6: Final answer
    x = 19,715.24

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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.