Home / 20,637.18-30,946.47-5,842.59

Finding the Fourth Proportional to 20,637.18, 30,946.47 and 5,842.59

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Solution

The fourth proportional to 20,637.18, 30,946.47 and 5,842.59 is: 8,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637.18 : 30,946.47 = 5,842.59 : x
  2. Step 2: Convert to fraction form
    20,637.18/30,946.47 = 5,842.59/x
  3. Step 3: Cross multiply
    20,637.18x = 30,946.47 × 5,842.59
  4. Step 4: Simplify right side
    20,637.18x = 180,807,536.16
  5. Step 5: Solve for x
    x = 180,807,536.16/20,637.18
  6. Step 6: Final answer
    x = 8,761.25

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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.