Home / 15,480.72-23,230.80-14,484.42

Finding the Fourth Proportional to 15,480.72, 23,230.80 and 14,484.42

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Solution

The fourth proportional to 15,480.72, 23,230.80 and 14,484.42 is: 21,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.72 : 23,230.80 = 14,484.42 : x
  2. Step 2: Convert to fraction form
    15,480.72/23,230.80 = 14,484.42/x
  3. Step 3: Cross multiply
    15,480.72x = 23,230.80 × 14,484.42
  4. Step 4: Simplify right side
    15,480.72x = 336,484,664.14
  5. Step 5: Solve for x
    x = 336,484,664.14/15,480.72
  6. Step 6: Final answer
    x = 21,735.72

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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.