Home / 34,831.31-52,267.68-12,646.42

Finding the Fourth Proportional to 34,831.31, 52,267.68 and 12,646.42

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Solution

The fourth proportional to 34,831.31, 52,267.68 and 12,646.42 is: 18,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,831.31 : 52,267.68 = 12,646.42 : x
  2. Step 2: Convert to fraction form
    34,831.31/52,267.68 = 12,646.42/x
  3. Step 3: Cross multiply
    34,831.31x = 52,267.68 × 12,646.42
  4. Step 4: Simplify right side
    34,831.31x = 660,998,903.04
  5. Step 5: Solve for x
    x = 660,998,903.04/34,831.31
  6. Step 6: Final answer
    x = 18,977.15

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1.5x scale

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.