Home / 17,420.39-24,040.40-9,866.53

Finding the Fourth Proportional to 17,420.39, 24,040.40 and 9,866.53

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Solution

The fourth proportional to 17,420.39, 24,040.40 and 9,866.53 is: 13,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.39 : 24,040.40 = 9,866.53 : x
  2. Step 2: Convert to fraction form
    17,420.39/24,040.40 = 9,866.53/x
  3. Step 3: Cross multiply
    17,420.39x = 24,040.40 × 9,866.53
  4. Step 4: Simplify right side
    17,420.39x = 237,195,308.53
  5. Step 5: Solve for x
    x = 237,195,308.53/17,420.39
  6. Step 6: Final answer
    x = 13,615.96

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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.