Home / 18,872.48-26,041.56-10,487.36

Finding the Fourth Proportional to 18,872.48, 26,041.56 and 10,487.36

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Solution

The fourth proportional to 18,872.48, 26,041.56 and 10,487.36 is: 14,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.48 : 26,041.56 = 10,487.36 : x
  2. Step 2: Convert to fraction form
    18,872.48/26,041.56 = 10,487.36/x
  3. Step 3: Cross multiply
    18,872.48x = 26,041.56 × 10,487.36
  4. Step 4: Simplify right side
    18,872.48x = 273,107,214.68
  5. Step 5: Solve for x
    x = 273,107,214.68/18,872.48
  6. Step 6: Final answer
    x = 14,471.19

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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.