Home / 19,330.29-26,669.70-10,831.23

Finding the Fourth Proportional to 19,330.29, 26,669.70 and 10,831.23

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Solution

The fourth proportional to 19,330.29, 26,669.70 and 10,831.23 is: 14,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.29 : 26,669.70 = 10,831.23 : x
  2. Step 2: Convert to fraction form
    19,330.29/26,669.70 = 10,831.23/x
  3. Step 3: Cross multiply
    19,330.29x = 26,669.70 × 10,831.23
  4. Step 4: Simplify right side
    19,330.29x = 288,865,654.73
  5. Step 5: Solve for x
    x = 288,865,654.73/19,330.29
  6. Step 6: Final answer
    x = 14,943.68

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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.