Home / 16,985.58-25,479.54-7,114.92

Finding the Fourth Proportional to 16,985.58, 25,479.54 and 7,114.92

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Solution

The fourth proportional to 16,985.58, 25,479.54 and 7,114.92 is: 10,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.58 : 25,479.54 = 7,114.92 : x
  2. Step 2: Convert to fraction form
    16,985.58/25,479.54 = 7,114.92/x
  3. Step 3: Cross multiply
    16,985.58x = 25,479.54 × 7,114.92
  4. Step 4: Simplify right side
    16,985.58x = 181,284,888.74
  5. Step 5: Solve for x
    x = 181,284,888.74/16,985.58
  6. Step 6: Final answer
    x = 10,672.87

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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.