Home / 21,678.60-32,527.22-9,207.04

Finding the Fourth Proportional to 21,678.60, 32,527.22 and 9,207.04

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Solution

The fourth proportional to 21,678.60, 32,527.22 and 9,207.04 is: 13,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678.60 : 32,527.22 = 9,207.04 : x
  2. Step 2: Convert to fraction form
    21,678.60/32,527.22 = 9,207.04/x
  3. Step 3: Cross multiply
    21,678.60x = 32,527.22 × 9,207.04
  4. Step 4: Simplify right side
    21,678.60x = 299,479,415.63
  5. Step 5: Solve for x
    x = 299,479,415.63/21,678.60
  6. Step 6: Final answer
    x = 13,814.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.