Home / 14,060.14-19,403.08-7,686.74

Finding the Fourth Proportional to 14,060.14, 19,403.08 and 7,686.74

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Solution

The fourth proportional to 14,060.14, 19,403.08 and 7,686.74 is: 10,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.14 : 19,403.08 = 7,686.74 : x
  2. Step 2: Convert to fraction form
    14,060.14/19,403.08 = 7,686.74/x
  3. Step 3: Cross multiply
    14,060.14x = 19,403.08 × 7,686.74
  4. Step 4: Simplify right side
    14,060.14x = 149,146,460.45
  5. Step 5: Solve for x
    x = 149,146,460.45/14,060.14
  6. Step 6: Final answer
    x = 10,607.75

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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.