Home / 13,064.05-18,016.44-9,715.24

Finding the Fourth Proportional to 13,064.05, 18,016.44 and 9,715.24

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Solution

The fourth proportional to 13,064.05, 18,016.44 and 9,715.24 is: 13,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.05 : 18,016.44 = 9,715.24 : x
  2. Step 2: Convert to fraction form
    13,064.05/18,016.44 = 9,715.24/x
  3. Step 3: Cross multiply
    13,064.05x = 18,016.44 × 9,715.24
  4. Step 4: Simplify right side
    13,064.05x = 175,033,948.46
  5. Step 5: Solve for x
    x = 175,033,948.46/13,064.05
  6. Step 6: Final answer
    x = 13,398.14

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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.