Home / 23,743.17-32,765.79-12,987.82

Finding the Fourth Proportional to 23,743.17, 32,765.79 and 12,987.82

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Solution

The fourth proportional to 23,743.17, 32,765.79 and 12,987.82 is: 17,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,743.17 : 32,765.79 = 12,987.82 : x
  2. Step 2: Convert to fraction form
    23,743.17/32,765.79 = 12,987.82/x
  3. Step 3: Cross multiply
    23,743.17x = 32,765.79 × 12,987.82
  4. Step 4: Simplify right side
    23,743.17x = 425,556,117.74
  5. Step 5: Solve for x
    x = 425,556,117.74/23,743.17
  6. Step 6: Final answer
    x = 17,923.31

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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.