Home / 14,013.28-21,023.60-5,248.32

Finding the Fourth Proportional to 14,013.28, 21,023.60 and 5,248.32

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Solution

The fourth proportional to 14,013.28, 21,023.60 and 5,248.32 is: 7,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.28 : 21,023.60 = 5,248.32 : x
  2. Step 2: Convert to fraction form
    14,013.28/21,023.60 = 5,248.32/x
  3. Step 3: Cross multiply
    14,013.28x = 21,023.60 × 5,248.32
  4. Step 4: Simplify right side
    14,013.28x = 110,338,580.35
  5. Step 5: Solve for x
    x = 110,338,580.35/14,013.28
  6. Step 6: Final answer
    x = 7,873.86

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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.