Home / 22,903.24-31,607.08-12,831.46

Finding the Fourth Proportional to 22,903.24, 31,607.08 and 12,831.46

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Solution

The fourth proportional to 22,903.24, 31,607.08 and 12,831.46 is: 17,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,903.24 : 31,607.08 = 12,831.46 : x
  2. Step 2: Convert to fraction form
    22,903.24/31,607.08 = 12,831.46/x
  3. Step 3: Cross multiply
    22,903.24x = 31,607.08 × 12,831.46
  4. Step 4: Simplify right side
    22,903.24x = 405,564,982.74
  5. Step 5: Solve for x
    x = 405,564,982.74/22,903.24
  6. Step 6: Final answer
    x = 17,707.76

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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.