Home / 21,742.43-32,624.10-10,643.06

Finding the Fourth Proportional to 21,742.43, 32,624.10 and 10,643.06

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Solution

The fourth proportional to 21,742.43, 32,624.10 and 10,643.06 is: 15,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742.43 : 32,624.10 = 10,643.06 : x
  2. Step 2: Convert to fraction form
    21,742.43/32,624.10 = 10,643.06/x
  3. Step 3: Cross multiply
    21,742.43x = 32,624.10 × 10,643.06
  4. Step 4: Simplify right side
    21,742.43x = 347,220,335.31
  5. Step 5: Solve for x
    x = 347,220,335.31/21,742.43
  6. Step 6: Final answer
    x = 15,969.72

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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.