Home / 14,026.55-19,356.68-7,738.88

Finding the Fourth Proportional to 14,026.55, 19,356.68 and 7,738.88

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Solution

The fourth proportional to 14,026.55, 19,356.68 and 7,738.88 is: 10,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.55 : 19,356.68 = 7,738.88 : x
  2. Step 2: Convert to fraction form
    14,026.55/19,356.68 = 7,738.88/x
  3. Step 3: Cross multiply
    14,026.55x = 19,356.68 × 7,738.88
  4. Step 4: Simplify right side
    14,026.55x = 149,798,946.28
  5. Step 5: Solve for x
    x = 149,798,946.28/14,026.55
  6. Step 6: Final answer
    x = 10,679.68

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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.