Home / 14,058.53-19,400.01-7,770.50

Finding the Fourth Proportional to 14,058.53, 19,400.01 and 7,770.50

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Solution

The fourth proportional to 14,058.53, 19,400.01 and 7,770.50 is: 10,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.53 : 19,400.01 = 7,770.50 : x
  2. Step 2: Convert to fraction form
    14,058.53/19,400.01 = 7,770.50/x
  3. Step 3: Cross multiply
    14,058.53x = 19,400.01 × 7,770.50
  4. Step 4: Simplify right side
    14,058.53x = 150,747,777.71
  5. Step 5: Solve for x
    x = 150,747,777.71/14,058.53
  6. Step 6: Final answer
    x = 10,722.87

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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.