Home / 14,054.80-19,395.87-7,681.66

Finding the Fourth Proportional to 14,054.80, 19,395.87 and 7,681.66

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Solution

The fourth proportional to 14,054.80, 19,395.87 and 7,681.66 is: 10,600.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.80 : 19,395.87 = 7,681.66 : x
  2. Step 2: Convert to fraction form
    14,054.80/19,395.87 = 7,681.66/x
  3. Step 3: Cross multiply
    14,054.80x = 19,395.87 × 7,681.66
  4. Step 4: Simplify right side
    14,054.80x = 148,992,381.76
  5. Step 5: Solve for x
    x = 148,992,381.76/14,054.80
  6. Step 6: Final answer
    x = 10,600.82

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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.