Home / 15,522.51-21,446.12-10,827.75

Finding the Fourth Proportional to 15,522.51, 21,446.12 and 10,827.75

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Solution

The fourth proportional to 15,522.51, 21,446.12 and 10,827.75 is: 14,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.51 : 21,446.12 = 10,827.75 : x
  2. Step 2: Convert to fraction form
    15,522.51/21,446.12 = 10,827.75/x
  3. Step 3: Cross multiply
    15,522.51x = 21,446.12 × 10,827.75
  4. Step 4: Simplify right side
    15,522.51x = 232,213,171.69
  5. Step 5: Solve for x
    x = 232,213,171.69/15,522.51
  6. Step 6: Final answer
    x = 14,959.77

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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.