Home / 15,529.08-23,174.28-13,868.28

Finding the Fourth Proportional to 15,529.08, 23,174.28 and 13,868.28

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Solution

The fourth proportional to 15,529.08, 23,174.28 and 13,868.28 is: 20,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.08 : 23,174.28 = 13,868.28 : x
  2. Step 2: Convert to fraction form
    15,529.08/23,174.28 = 13,868.28/x
  3. Step 3: Cross multiply
    15,529.08x = 23,174.28 × 13,868.28
  4. Step 4: Simplify right side
    15,529.08x = 321,387,403.84
  5. Step 5: Solve for x
    x = 321,387,403.84/15,529.08
  6. Step 6: Final answer
    x = 20,695.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.