Home / 19,329.60-26,672.35-11,368.92

Finding the Fourth Proportional to 19,329.60, 26,672.35 and 11,368.92

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Solution

The fourth proportional to 19,329.60, 26,672.35 and 11,368.92 is: 15,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.60 : 26,672.35 = 11,368.92 : x
  2. Step 2: Convert to fraction form
    19,329.60/26,672.35 = 11,368.92/x
  3. Step 3: Cross multiply
    19,329.60x = 26,672.35 × 11,368.92
  4. Step 4: Simplify right side
    19,329.60x = 303,235,680.00
  5. Step 5: Solve for x
    x = 303,235,680.00/19,329.60
  6. Step 6: Final answer
    x = 15,687.64

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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.