Home / 22,640.02-33,960.10-9,309.58

Finding the Fourth Proportional to 22,640.02, 33,960.10 and 9,309.58

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Solution

The fourth proportional to 22,640.02, 33,960.10 and 9,309.58 is: 13,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.02 : 33,960.10 = 9,309.58 : x
  2. Step 2: Convert to fraction form
    22,640.02/33,960.10 = 9,309.58/x
  3. Step 3: Cross multiply
    22,640.02x = 33,960.10 × 9,309.58
  4. Step 4: Simplify right side
    22,640.02x = 316,154,267.76
  5. Step 5: Solve for x
    x = 316,154,267.76/22,640.02
  6. Step 6: Final answer
    x = 13,964.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.