Home / 22,835.04-31,511.88-12,763.20

Finding the Fourth Proportional to 22,835.04, 31,511.88 and 12,763.20

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Solution

The fourth proportional to 22,835.04, 31,511.88 and 12,763.20 is: 17,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,835.04 : 31,511.88 = 12,763.20 : x
  2. Step 2: Convert to fraction form
    22,835.04/31,511.88 = 12,763.20/x
  3. Step 3: Cross multiply
    22,835.04x = 31,511.88 × 12,763.20
  4. Step 4: Simplify right side
    22,835.04x = 402,192,426.82
  5. Step 5: Solve for x
    x = 402,192,426.82/22,835.04
  6. Step 6: Final answer
    x = 17,612.95

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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.