Home / 14,948.96-20,631.02-11,165.55

Finding the Fourth Proportional to 14,948.96, 20,631.02 and 11,165.55

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Solution

The fourth proportional to 14,948.96, 20,631.02 and 11,165.55 is: 15,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.96 : 20,631.02 = 11,165.55 : x
  2. Step 2: Convert to fraction form
    14,948.96/20,631.02 = 11,165.55/x
  3. Step 3: Cross multiply
    14,948.96x = 20,631.02 × 11,165.55
  4. Step 4: Simplify right side
    14,948.96x = 230,356,629.53
  5. Step 5: Solve for x
    x = 230,356,629.53/14,948.96
  6. Step 6: Final answer
    x = 15,409.55

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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.