Home / 22,873.68-31,558.56-13,445.28

Finding the Fourth Proportional to 22,873.68, 31,558.56 and 13,445.28

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Solution

The fourth proportional to 22,873.68, 31,558.56 and 13,445.28 is: 18,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,873.68 : 31,558.56 = 13,445.28 : x
  2. Step 2: Convert to fraction form
    22,873.68/31,558.56 = 13,445.28/x
  3. Step 3: Cross multiply
    22,873.68x = 31,558.56 × 13,445.28
  4. Step 4: Simplify right side
    22,873.68x = 424,313,675.60
  5. Step 5: Solve for x
    x = 424,313,675.60/22,873.68
  6. Step 6: Final answer
    x = 18,550.30

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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.