Home / 19,134.56-28,703.50-5,283.56

Finding the Fourth Proportional to 19,134.56, 28,703.50 and 5,283.56

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Solution

The fourth proportional to 19,134.56, 28,703.50 and 5,283.56 is: 7,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.56 : 28,703.50 = 5,283.56 : x
  2. Step 2: Convert to fraction form
    19,134.56/28,703.50 = 5,283.56/x
  3. Step 3: Cross multiply
    19,134.56x = 28,703.50 × 5,283.56
  4. Step 4: Simplify right side
    19,134.56x = 151,656,723.01
  5. Step 5: Solve for x
    x = 151,656,723.01/19,134.56
  6. Step 6: Final answer
    x = 7,925.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.