Home / 19,040-26,275.20-10,656.56

Finding the Fourth Proportional to 19,040, 26,275.20 and 10,656.56

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Solution

The fourth proportional to 19,040, 26,275.20 and 10,656.56 is: 14,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040 : 26,275.20 = 10,656.56 : x
  2. Step 2: Convert to fraction form
    19,040/26,275.20 = 10,656.56/x
  3. Step 3: Cross multiply
    19,040x = 26,275.20 × 10,656.56
  4. Step 4: Simplify right side
    19,040x = 280,003,245.31
  5. Step 5: Solve for x
    x = 280,003,245.31/19,040
  6. Step 6: Final answer
    x = 14,706.05

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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.