Home / 18,478.89-25,500.82-10,095.45

Finding the Fourth Proportional to 18,478.89, 25,500.82 and 10,095.45

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Solution

The fourth proportional to 18,478.89, 25,500.82 and 10,095.45 is: 13,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478.89 : 25,500.82 = 10,095.45 : x
  2. Step 2: Convert to fraction form
    18,478.89/25,500.82 = 10,095.45/x
  3. Step 3: Cross multiply
    18,478.89x = 25,500.82 × 10,095.45
  4. Step 4: Simplify right side
    18,478.89x = 257,442,253.27
  5. Step 5: Solve for x
    x = 257,442,253.27/18,478.89
  6. Step 6: Final answer
    x = 13,931.69

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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.