Home / 22,744.47-31,386.58-12,672.39

Finding the Fourth Proportional to 22,744.47, 31,386.58 and 12,672.39

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Solution

The fourth proportional to 22,744.47, 31,386.58 and 12,672.39 is: 17,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,744.47 : 31,386.58 = 12,672.39 : x
  2. Step 2: Convert to fraction form
    22,744.47/31,386.58 = 12,672.39/x
  3. Step 3: Cross multiply
    22,744.47x = 31,386.58 × 12,672.39
  4. Step 4: Simplify right side
    22,744.47x = 397,742,950.85
  5. Step 5: Solve for x
    x = 397,742,950.85/22,744.47
  6. Step 6: Final answer
    x = 17,487.46

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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.