Home / 13,302.60-18,356.13-10,649.04

Finding the Fourth Proportional to 13,302.60, 18,356.13 and 10,649.04

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Solution

The fourth proportional to 13,302.60, 18,356.13 and 10,649.04 is: 14,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.60 : 18,356.13 = 10,649.04 : x
  2. Step 2: Convert to fraction form
    13,302.60/18,356.13 = 10,649.04/x
  3. Step 3: Cross multiply
    13,302.60x = 18,356.13 × 10,649.04
  4. Step 4: Simplify right side
    13,302.60x = 195,475,162.62
  5. Step 5: Solve for x
    x = 195,475,162.62/13,302.60
  6. Step 6: Final answer
    x = 14,694.51

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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.