Home / 14,259.68-19,680.90-8,595.44

Finding the Fourth Proportional to 14,259.68, 19,680.90 and 8,595.44

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Solution

The fourth proportional to 14,259.68, 19,680.90 and 8,595.44 is: 11,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.68 : 19,680.90 = 8,595.44 : x
  2. Step 2: Convert to fraction form
    14,259.68/19,680.90 = 8,595.44/x
  3. Step 3: Cross multiply
    14,259.68x = 19,680.90 × 8,595.44
  4. Step 4: Simplify right side
    14,259.68x = 169,165,995.10
  5. Step 5: Solve for x
    x = 169,165,995.10/14,259.68
  6. Step 6: Final answer
    x = 11,863.24

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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.