Home / 23,782.40-32,818.56-13,172.48

Finding the Fourth Proportional to 23,782.40, 32,818.56 and 13,172.48

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Solution

The fourth proportional to 23,782.40, 32,818.56 and 13,172.48 is: 18,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,782.40 : 32,818.56 = 13,172.48 : x
  2. Step 2: Convert to fraction form
    23,782.40/32,818.56 = 13,172.48/x
  3. Step 3: Cross multiply
    23,782.40x = 32,818.56 × 13,172.48
  4. Step 4: Simplify right side
    23,782.40x = 432,301,825.23
  5. Step 5: Solve for x
    x = 432,301,825.23/23,782.40
  6. Step 6: Final answer
    x = 18,177.38

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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.