Home / 19,126.56-26,393.28-10,742.88

Finding the Fourth Proportional to 19,126.56, 26,393.28 and 10,742.88

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Solution

The fourth proportional to 19,126.56, 26,393.28 and 10,742.88 is: 14,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.56 : 26,393.28 = 10,742.88 : x
  2. Step 2: Convert to fraction form
    19,126.56/26,393.28 = 10,742.88/x
  3. Step 3: Cross multiply
    19,126.56x = 26,393.28 × 10,742.88
  4. Step 4: Simplify right side
    19,126.56x = 283,539,839.85
  5. Step 5: Solve for x
    x = 283,539,839.85/19,126.56
  6. Step 6: Final answer
    x = 14,824.40

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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.