Home / 14,750.76-20,357.02-11,176.56

Finding the Fourth Proportional to 14,750.76, 20,357.02 and 11,176.56

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Solution

The fourth proportional to 14,750.76, 20,357.02 and 11,176.56 is: 15,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.76 : 20,357.02 = 11,176.56 : x
  2. Step 2: Convert to fraction form
    14,750.76/20,357.02 = 11,176.56/x
  3. Step 3: Cross multiply
    14,750.76x = 20,357.02 × 11,176.56
  4. Step 4: Simplify right side
    14,750.76x = 227,521,455.45
  5. Step 5: Solve for x
    x = 227,521,455.45/14,750.76
  6. Step 6: Final answer
    x = 15,424.39

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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.