Home / 16,872.12-25,306.74-5,779.08

Finding the Fourth Proportional to 16,872.12, 25,306.74 and 5,779.08

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Solution

The fourth proportional to 16,872.12, 25,306.74 and 5,779.08 is: 8,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.12 : 25,306.74 = 5,779.08 : x
  2. Step 2: Convert to fraction form
    16,872.12/25,306.74 = 5,779.08/x
  3. Step 3: Cross multiply
    16,872.12x = 25,306.74 × 5,779.08
  4. Step 4: Simplify right side
    16,872.12x = 146,249,675.00
  5. Step 5: Solve for x
    x = 146,249,675.00/16,872.12
  6. Step 6: Final answer
    x = 8,668.13

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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.