Home / 14,065.95-19,410.21-7,777.92

Finding the Fourth Proportional to 14,065.95, 19,410.21 and 7,777.92

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Solution

The fourth proportional to 14,065.95, 19,410.21 and 7,777.92 is: 10,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.95 : 19,410.21 = 7,777.92 : x
  2. Step 2: Convert to fraction form
    14,065.95/19,410.21 = 7,777.92/x
  3. Step 3: Cross multiply
    14,065.95x = 19,410.21 × 7,777.92
  4. Step 4: Simplify right side
    14,065.95x = 150,971,060.56
  5. Step 5: Solve for x
    x = 150,971,060.56/14,065.95
  6. Step 6: Final answer
    x = 10,733.09

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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.