Home / 13,934.88-20,897.10-5,612.07

Finding the Fourth Proportional to 13,934.88, 20,897.10 and 5,612.07

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Solution

The fourth proportional to 13,934.88, 20,897.10 and 5,612.07 is: 8,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.88 : 20,897.10 = 5,612.07 : x
  2. Step 2: Convert to fraction form
    13,934.88/20,897.10 = 5,612.07/x
  3. Step 3: Cross multiply
    13,934.88x = 20,897.10 × 5,612.07
  4. Step 4: Simplify right side
    13,934.88x = 117,275,988.00
  5. Step 5: Solve for x
    x = 117,275,988.00/13,934.88
  6. Step 6: Final answer
    x = 8,416.00

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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.