Home / 19,359.17-26,723.84-13,080.05

Finding the Fourth Proportional to 19,359.17, 26,723.84 and 13,080.05

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Solution

The fourth proportional to 19,359.17, 26,723.84 and 13,080.05 is: 18,055.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.17 : 26,723.84 = 13,080.05 : x
  2. Step 2: Convert to fraction form
    19,359.17/26,723.84 = 13,080.05/x
  3. Step 3: Cross multiply
    19,359.17x = 26,723.84 × 13,080.05
  4. Step 4: Simplify right side
    19,359.17x = 349,548,964.37
  5. Step 5: Solve for x
    x = 349,548,964.37/19,359.17
  6. Step 6: Final answer
    x = 18,055.99

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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.