Home / 16,980.78-25,493.40-14,903.10

Finding the Fourth Proportional to 16,980.78, 25,493.40 and 14,903.10

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Solution

The fourth proportional to 16,980.78, 25,493.40 and 14,903.10 is: 22,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.78 : 25,493.40 = 14,903.10 : x
  2. Step 2: Convert to fraction form
    16,980.78/25,493.40 = 14,903.10/x
  3. Step 3: Cross multiply
    16,980.78x = 25,493.40 × 14,903.10
  4. Step 4: Simplify right side
    16,980.78x = 379,930,689.54
  5. Step 5: Solve for x
    x = 379,930,689.54/16,980.78
  6. Step 6: Final answer
    x = 22,374.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.