Home / 14,184.89-19,575.12-7,898.75

Finding the Fourth Proportional to 14,184.89, 19,575.12 and 7,898.75

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Solution

The fourth proportional to 14,184.89, 19,575.12 and 7,898.75 is: 10,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.89 : 19,575.12 = 7,898.75 : x
  2. Step 2: Convert to fraction form
    14,184.89/19,575.12 = 7,898.75/x
  3. Step 3: Cross multiply
    14,184.89x = 19,575.12 × 7,898.75
  4. Step 4: Simplify right side
    14,184.89x = 154,618,979.10
  5. Step 5: Solve for x
    x = 154,618,979.10/14,184.89
  6. Step 6: Final answer
    x = 10,900.26

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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.