Home / 22,596.81-31,185.46-12,528.41

Finding the Fourth Proportional to 22,596.81, 31,185.46 and 12,528.41

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Solution

The fourth proportional to 22,596.81, 31,185.46 and 12,528.41 is: 17,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,596.81 : 31,185.46 = 12,528.41 : x
  2. Step 2: Convert to fraction form
    22,596.81/31,185.46 = 12,528.41/x
  3. Step 3: Cross multiply
    22,596.81x = 31,185.46 × 12,528.41
  4. Step 4: Simplify right side
    22,596.81x = 390,704,228.92
  5. Step 5: Solve for x
    x = 390,704,228.92/22,596.81
  6. Step 6: Final answer
    x = 17,290.24

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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.