Home / 19,328.59-26,672.56-10,831.59

Finding the Fourth Proportional to 19,328.59, 26,672.56 and 10,831.59

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Solution

The fourth proportional to 19,328.59, 26,672.56 and 10,831.59 is: 14,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.59 : 26,672.56 = 10,831.59 : x
  2. Step 2: Convert to fraction form
    19,328.59/26,672.56 = 10,831.59/x
  3. Step 3: Cross multiply
    19,328.59x = 26,672.56 × 10,831.59
  4. Step 4: Simplify right side
    19,328.59x = 288,906,207.09
  5. Step 5: Solve for x
    x = 288,906,207.09/19,328.59
  6. Step 6: Final answer
    x = 14,947.09

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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.