Home / 19,515.24-29,271.18-5,474.16

Finding the Fourth Proportional to 19,515.24, 29,271.18 and 5,474.16

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Solution

The fourth proportional to 19,515.24, 29,271.18 and 5,474.16 is: 8,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.24 : 29,271.18 = 5,474.16 : x
  2. Step 2: Convert to fraction form
    19,515.24/29,271.18 = 5,474.16/x
  3. Step 3: Cross multiply
    19,515.24x = 29,271.18 × 5,474.16
  4. Step 4: Simplify right side
    19,515.24x = 160,235,122.71
  5. Step 5: Solve for x
    x = 160,235,122.71/19,515.24
  6. Step 6: Final answer
    x = 8,210.77

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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.