Home / 19,563.12-26,996.64-10,831.53

Finding the Fourth Proportional to 19,563.12, 26,996.64 and 10,831.53

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Solution

The fourth proportional to 19,563.12, 26,996.64 and 10,831.53 is: 14,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.12 : 26,996.64 = 10,831.53 : x
  2. Step 2: Convert to fraction form
    19,563.12/26,996.64 = 10,831.53/x
  3. Step 3: Cross multiply
    19,563.12x = 26,996.64 × 10,831.53
  4. Step 4: Simplify right side
    19,563.12x = 292,414,916.06
  5. Step 5: Solve for x
    x = 292,414,916.06/19,563.12
  6. Step 6: Final answer
    x = 14,947.25

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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.