Home / 14,497.12-20,009.92-8,530.72

Finding the Fourth Proportional to 14,497.12, 20,009.92 and 8,530.72

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Solution

The fourth proportional to 14,497.12, 20,009.92 and 8,530.72 is: 11,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.12 : 20,009.92 = 8,530.72 : x
  2. Step 2: Convert to fraction form
    14,497.12/20,009.92 = 8,530.72/x
  3. Step 3: Cross multiply
    14,497.12x = 20,009.92 × 8,530.72
  4. Step 4: Simplify right side
    14,497.12x = 170,699,024.74
  5. Step 5: Solve for x
    x = 170,699,024.74/14,497.12
  6. Step 6: Final answer
    x = 11,774.69

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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.