Home / 13,019.48-19,515.40-4,252.04

Finding the Fourth Proportional to 13,019.48, 19,515.40 and 4,252.04

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Solution

The fourth proportional to 13,019.48, 19,515.40 and 4,252.04 is: 6,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.48 : 19,515.40 = 4,252.04 : x
  2. Step 2: Convert to fraction form
    13,019.48/19,515.40 = 4,252.04/x
  3. Step 3: Cross multiply
    13,019.48x = 19,515.40 × 4,252.04
  4. Step 4: Simplify right side
    13,019.48x = 82,980,261.42
  5. Step 5: Solve for x
    x = 82,980,261.42/13,019.48
  6. Step 6: Final answer
    x = 6,373.55

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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.