Home / 18,945.84-26,142.24-10,562.40

Finding the Fourth Proportional to 18,945.84, 26,142.24 and 10,562.40

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Solution

The fourth proportional to 18,945.84, 26,142.24 and 10,562.40 is: 14,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.84 : 26,142.24 = 10,562.40 : x
  2. Step 2: Convert to fraction form
    18,945.84/26,142.24 = 10,562.40/x
  3. Step 3: Cross multiply
    18,945.84x = 26,142.24 × 10,562.40
  4. Step 4: Simplify right side
    18,945.84x = 276,124,795.78
  5. Step 5: Solve for x
    x = 276,124,795.78/18,945.84
  6. Step 6: Final answer
    x = 14,574.43

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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.