Home / 13,267.17-18,291.34-9,629.95

Finding the Fourth Proportional to 13,267.17, 18,291.34 and 9,629.95

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Solution

The fourth proportional to 13,267.17, 18,291.34 and 9,629.95 is: 13,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.17 : 18,291.34 = 9,629.95 : x
  2. Step 2: Convert to fraction form
    13,267.17/18,291.34 = 9,629.95/x
  3. Step 3: Cross multiply
    13,267.17x = 18,291.34 × 9,629.95
  4. Step 4: Simplify right side
    13,267.17x = 176,144,689.63
  5. Step 5: Solve for x
    x = 176,144,689.63/13,267.17
  6. Step 6: Final answer
    x = 13,276.73

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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.