Home / 23,895.84-32,958-21,209.88

Finding the Fourth Proportional to 23,895.84, 32,958 and 21,209.88

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Solution

The fourth proportional to 23,895.84, 32,958 and 21,209.88 is: 29,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,895.84 : 32,958 = 21,209.88 : x
  2. Step 2: Convert to fraction form
    23,895.84/32,958 = 21,209.88/x
  3. Step 3: Cross multiply
    23,895.84x = 32,958 × 21,209.88
  4. Step 4: Simplify right side
    23,895.84x = 699,035,225.04
  5. Step 5: Solve for x
    x = 699,035,225.04/23,895.84
  6. Step 6: Final answer
    x = 29,253.43

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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.