Home / 15,553.13-23,329.53-7,228.49

Finding the Fourth Proportional to 15,553.13, 23,329.53 and 7,228.49

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Solution

The fourth proportional to 15,553.13, 23,329.53 and 7,228.49 is: 10,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.13 : 23,329.53 = 7,228.49 : x
  2. Step 2: Convert to fraction form
    15,553.13/23,329.53 = 7,228.49/x
  3. Step 3: Cross multiply
    15,553.13x = 23,329.53 × 7,228.49
  4. Step 4: Simplify right side
    15,553.13x = 168,637,157.66
  5. Step 5: Solve for x
    x = 168,637,157.66/15,553.13
  6. Step 6: Final answer
    x = 10,842.65

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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.