Home / 19,191.53-28,787.54-5,864.81

Finding the Fourth Proportional to 19,191.53, 28,787.54 and 5,864.81

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Solution

The fourth proportional to 19,191.53, 28,787.54 and 5,864.81 is: 8,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.53 : 28,787.54 = 5,864.81 : x
  2. Step 2: Convert to fraction form
    19,191.53/28,787.54 = 5,864.81/x
  3. Step 3: Cross multiply
    19,191.53x = 28,787.54 × 5,864.81
  4. Step 4: Simplify right side
    19,191.53x = 168,833,279.21
  5. Step 5: Solve for x
    x = 168,833,279.21/19,191.53
  6. Step 6: Final answer
    x = 8,797.28

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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.