Home / 23,068.92-31,831.70-12,995.34

Finding the Fourth Proportional to 23,068.92, 31,831.70 and 12,995.34

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Solution

The fourth proportional to 23,068.92, 31,831.70 and 12,995.34 is: 17,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,068.92 : 31,831.70 = 12,995.34 : x
  2. Step 2: Convert to fraction form
    23,068.92/31,831.70 = 12,995.34/x
  3. Step 3: Cross multiply
    23,068.92x = 31,831.70 × 12,995.34
  4. Step 4: Simplify right side
    23,068.92x = 413,663,764.28
  5. Step 5: Solve for x
    x = 413,663,764.28/23,068.92
  6. Step 6: Final answer
    x = 17,931.65

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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.