Home / 20,152.88-27,803.22-14,860.28

Finding the Fourth Proportional to 20,152.88, 27,803.22 and 14,860.28

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Solution

The fourth proportional to 20,152.88, 27,803.22 and 14,860.28 is: 20,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.88 : 27,803.22 = 14,860.28 : x
  2. Step 2: Convert to fraction form
    20,152.88/27,803.22 = 14,860.28/x
  3. Step 3: Cross multiply
    20,152.88x = 27,803.22 × 14,860.28
  4. Step 4: Simplify right side
    20,152.88x = 413,163,634.10
  5. Step 5: Solve for x
    x = 413,163,634.10/20,152.88
  6. Step 6: Final answer
    x = 20,501.47

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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.