Home / 14,346.08-19,797.20-7,972.32

Finding the Fourth Proportional to 14,346.08, 19,797.20 and 7,972.32

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Solution

The fourth proportional to 14,346.08, 19,797.20 and 7,972.32 is: 11,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.08 : 19,797.20 = 7,972.32 : x
  2. Step 2: Convert to fraction form
    14,346.08/19,797.20 = 7,972.32/x
  3. Step 3: Cross multiply
    14,346.08x = 19,797.20 × 7,972.32
  4. Step 4: Simplify right side
    14,346.08x = 157,829,613.50
  5. Step 5: Solve for x
    x = 157,829,613.50/14,346.08
  6. Step 6: Final answer
    x = 11,001.58

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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.