Home / 22,763.88-31,394.52-14,803.20

Finding the Fourth Proportional to 22,763.88, 31,394.52 and 14,803.20

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Solution

The fourth proportional to 22,763.88, 31,394.52 and 14,803.20 is: 20,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,763.88 : 31,394.52 = 14,803.20 : x
  2. Step 2: Convert to fraction form
    22,763.88/31,394.52 = 14,803.20/x
  3. Step 3: Cross multiply
    22,763.88x = 31,394.52 × 14,803.20
  4. Step 4: Simplify right side
    22,763.88x = 464,739,358.46
  5. Step 5: Solve for x
    x = 464,739,358.46/22,763.88
  6. Step 6: Final answer
    x = 20,415.65

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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.