Home / 14,055.75-19,397.34-7,768.53

Finding the Fourth Proportional to 14,055.75, 19,397.34 and 7,768.53

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Solution

The fourth proportional to 14,055.75, 19,397.34 and 7,768.53 is: 10,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.75 : 19,397.34 = 7,768.53 : x
  2. Step 2: Convert to fraction form
    14,055.75/19,397.34 = 7,768.53/x
  3. Step 3: Cross multiply
    14,055.75x = 19,397.34 × 7,768.53
  4. Step 4: Simplify right side
    14,055.75x = 150,688,817.71
  5. Step 5: Solve for x
    x = 150,688,817.71/14,055.75
  6. Step 6: Final answer
    x = 10,720.80

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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.