Home / 14,014.50-19,340.01-7,726.88

Finding the Fourth Proportional to 14,014.50, 19,340.01 and 7,726.88

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Solution

The fourth proportional to 14,014.50, 19,340.01 and 7,726.88 is: 10,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.50 : 19,340.01 = 7,726.88 : x
  2. Step 2: Convert to fraction form
    14,014.50/19,340.01 = 7,726.88/x
  3. Step 3: Cross multiply
    14,014.50x = 19,340.01 × 7,726.88
  4. Step 4: Simplify right side
    14,014.50x = 149,437,839.77
  5. Step 5: Solve for x
    x = 149,437,839.77/14,014.50
  6. Step 6: Final answer
    x = 10,663.09

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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.