Home / 15,799.77-21,803.58-8,726.04

Finding the Fourth Proportional to 15,799.77, 21,803.58 and 8,726.04

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Solution

The fourth proportional to 15,799.77, 21,803.58 and 8,726.04 is: 12,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.77 : 21,803.58 = 8,726.04 : x
  2. Step 2: Convert to fraction form
    15,799.77/21,803.58 = 8,726.04/x
  3. Step 3: Cross multiply
    15,799.77x = 21,803.58 × 8,726.04
  4. Step 4: Simplify right side
    15,799.77x = 190,258,911.22
  5. Step 5: Solve for x
    x = 190,258,911.22/15,799.77
  6. Step 6: Final answer
    x = 12,041.88

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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.