Home / 14,484.48-19,987.20-11,507.52

Finding the Fourth Proportional to 14,484.48, 19,987.20 and 11,507.52

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Solution

The fourth proportional to 14,484.48, 19,987.20 and 11,507.52 is: 15,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.48 : 19,987.20 = 11,507.52 : x
  2. Step 2: Convert to fraction form
    14,484.48/19,987.20 = 11,507.52/x
  3. Step 3: Cross multiply
    14,484.48x = 19,987.20 × 11,507.52
  4. Step 4: Simplify right side
    14,484.48x = 230,003,103.74
  5. Step 5: Solve for x
    x = 230,003,103.74/14,484.48
  6. Step 6: Final answer
    x = 15,879.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.