Home / 14,060.12-19,402.94-7,686.74

Finding the Fourth Proportional to 14,060.12, 19,402.94 and 7,686.74

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Solution

The fourth proportional to 14,060.12, 19,402.94 and 7,686.74 is: 10,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.12 : 19,402.94 = 7,686.74 : x
  2. Step 2: Convert to fraction form
    14,060.12/19,402.94 = 7,686.74/x
  3. Step 3: Cross multiply
    14,060.12x = 19,402.94 × 7,686.74
  4. Step 4: Simplify right side
    14,060.12x = 149,145,422.74
  5. Step 5: Solve for x
    x = 149,145,422.74/14,060.12
  6. Step 6: Final answer
    x = 10,607.70

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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.