Home / 18,891.56-26,070.35-10,393.50

Finding the Fourth Proportional to 18,891.56, 26,070.35 and 10,393.50

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Solution

The fourth proportional to 18,891.56, 26,070.35 and 10,393.50 is: 14,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.56 : 26,070.35 = 10,393.50 : x
  2. Step 2: Convert to fraction form
    18,891.56/26,070.35 = 10,393.50/x
  3. Step 3: Cross multiply
    18,891.56x = 26,070.35 × 10,393.50
  4. Step 4: Simplify right side
    18,891.56x = 270,962,208.71
  5. Step 5: Solve for x
    x = 270,962,208.71/18,891.56
  6. Step 6: Final answer
    x = 14,343.03

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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.