Home / 14,052.96-19,392.72-7,765.20

Finding the Fourth Proportional to 14,052.96, 19,392.72 and 7,765.20

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Solution

The fourth proportional to 14,052.96, 19,392.72 and 7,765.20 is: 10,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.96 : 19,392.72 = 7,765.20 : x
  2. Step 2: Convert to fraction form
    14,052.96/19,392.72 = 7,765.20/x
  3. Step 3: Cross multiply
    14,052.96x = 19,392.72 × 7,765.20
  4. Step 4: Simplify right side
    14,052.96x = 150,588,349.34
  5. Step 5: Solve for x
    x = 150,588,349.34/14,052.96
  6. Step 6: Final answer
    x = 10,715.77

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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.