Home / 14,253.60-21,365.28-5,484.72

Finding the Fourth Proportional to 14,253.60, 21,365.28 and 5,484.72

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Solution

The fourth proportional to 14,253.60, 21,365.28 and 5,484.72 is: 8,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.60 : 21,365.28 = 5,484.72 : x
  2. Step 2: Convert to fraction form
    14,253.60/21,365.28 = 5,484.72/x
  3. Step 3: Cross multiply
    14,253.60x = 21,365.28 × 5,484.72
  4. Step 4: Simplify right side
    14,253.60x = 117,182,578.52
  5. Step 5: Solve for x
    x = 117,182,578.52/14,253.60
  6. Step 6: Final answer
    x = 8,221.26

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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.