Home / 10,667.18-15,921.75-10,010.54

Finding the Fourth Proportional to 10,667.18, 15,921.75 and 10,010.54

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Solution

The fourth proportional to 10,667.18, 15,921.75 and 10,010.54 is: 14,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.18 : 15,921.75 = 10,010.54 : x
  2. Step 2: Convert to fraction form
    10,667.18/15,921.75 = 10,010.54/x
  3. Step 3: Cross multiply
    10,667.18x = 15,921.75 × 10,010.54
  4. Step 4: Simplify right side
    10,667.18x = 159,385,235.64
  5. Step 5: Solve for x
    x = 159,385,235.64/10,667.18
  6. Step 6: Final answer
    x = 14,941.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.