Home / 18,205.89-25,123.59-10,248.54

Finding the Fourth Proportional to 18,205.89, 25,123.59 and 10,248.54

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Solution

The fourth proportional to 18,205.89, 25,123.59 and 10,248.54 is: 14,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.89 : 25,123.59 = 10,248.54 : x
  2. Step 2: Convert to fraction form
    18,205.89/25,123.59 = 10,248.54/x
  3. Step 3: Cross multiply
    18,205.89x = 25,123.59 × 10,248.54
  4. Step 4: Simplify right side
    18,205.89x = 257,480,117.06
  5. Step 5: Solve for x
    x = 257,480,117.06/18,205.89
  6. Step 6: Final answer
    x = 14,142.68

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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.