Home / 14,192.68-19,590.44-9,157.04

Finding the Fourth Proportional to 14,192.68, 19,590.44 and 9,157.04

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Solution

The fourth proportional to 14,192.68, 19,590.44 and 9,157.04 is: 12,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.68 : 19,590.44 = 9,157.04 : x
  2. Step 2: Convert to fraction form
    14,192.68/19,590.44 = 9,157.04/x
  3. Step 3: Cross multiply
    14,192.68x = 19,590.44 × 9,157.04
  4. Step 4: Simplify right side
    14,192.68x = 179,390,442.70
  5. Step 5: Solve for x
    x = 179,390,442.70/14,192.68
  6. Step 6: Final answer
    x = 12,639.65

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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.