Home / 15,959.19-22,026.30-12,175.21

Finding the Fourth Proportional to 15,959.19, 22,026.30 and 12,175.21

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Solution

The fourth proportional to 15,959.19, 22,026.30 and 12,175.21 is: 16,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.19 : 22,026.30 = 12,175.21 : x
  2. Step 2: Convert to fraction form
    15,959.19/22,026.30 = 12,175.21/x
  3. Step 3: Cross multiply
    15,959.19x = 22,026.30 × 12,175.21
  4. Step 4: Simplify right side
    15,959.19x = 268,174,828.02
  5. Step 5: Solve for x
    x = 268,174,828.02/15,959.19
  6. Step 6: Final answer
    x = 16,803.79

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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.