Home / 18,757.89-25,885.58-10,374.39

Finding the Fourth Proportional to 18,757.89, 25,885.58 and 10,374.39

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Solution

The fourth proportional to 18,757.89, 25,885.58 and 10,374.39 is: 14,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.89 : 25,885.58 = 10,374.39 : x
  2. Step 2: Convert to fraction form
    18,757.89/25,885.58 = 10,374.39/x
  3. Step 3: Cross multiply
    18,757.89x = 25,885.58 × 10,374.39
  4. Step 4: Simplify right side
    18,757.89x = 268,547,050.42
  5. Step 5: Solve for x
    x = 268,547,050.42/18,757.89
  6. Step 6: Final answer
    x = 14,316.48

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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.