Home / 27,963.16-38,612.50-18,573.64

Finding the Fourth Proportional to 27,963.16, 38,612.50 and 18,573.64

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Solution

The fourth proportional to 27,963.16, 38,612.50 and 18,573.64 is: 25,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,963.16 : 38,612.50 = 18,573.64 : x
  2. Step 2: Convert to fraction form
    27,963.16/38,612.50 = 18,573.64/x
  3. Step 3: Cross multiply
    27,963.16x = 38,612.50 × 18,573.64
  4. Step 4: Simplify right side
    27,963.16x = 717,174,674.50
  5. Step 5: Solve for x
    x = 717,174,674.50/27,963.16
  6. Step 6: Final answer
    x = 25,647.13

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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.