Home / 16,988.30-25,472.35-6,459.09

Finding the Fourth Proportional to 16,988.30, 25,472.35 and 6,459.09

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Solution

The fourth proportional to 16,988.30, 25,472.35 and 6,459.09 is: 9,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.30 : 25,472.35 = 6,459.09 : x
  2. Step 2: Convert to fraction form
    16,988.30/25,472.35 = 6,459.09/x
  3. Step 3: Cross multiply
    16,988.30x = 25,472.35 × 6,459.09
  4. Step 4: Simplify right side
    16,988.30x = 164,528,088.74
  5. Step 5: Solve for x
    x = 164,528,088.74/16,988.30
  6. Step 6: Final answer
    x = 9,684.79

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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.