Home / 15,827.52-21,838.44-9,452.40

Finding the Fourth Proportional to 15,827.52, 21,838.44 and 9,452.40

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Solution

The fourth proportional to 15,827.52, 21,838.44 and 9,452.40 is: 13,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.52 : 21,838.44 = 9,452.40 : x
  2. Step 2: Convert to fraction form
    15,827.52/21,838.44 = 9,452.40/x
  3. Step 3: Cross multiply
    15,827.52x = 21,838.44 × 9,452.40
  4. Step 4: Simplify right side
    15,827.52x = 206,425,670.26
  5. Step 5: Solve for x
    x = 206,425,670.26/15,827.52
  6. Step 6: Final answer
    x = 13,042.20

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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.