Home / 19,943.84-29,919.04-7,468.16

Finding the Fourth Proportional to 19,943.84, 29,919.04 and 7,468.16

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Solution

The fourth proportional to 19,943.84, 29,919.04 and 7,468.16 is: 11,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.84 : 29,919.04 = 7,468.16 : x
  2. Step 2: Convert to fraction form
    19,943.84/29,919.04 = 7,468.16/x
  3. Step 3: Cross multiply
    19,943.84x = 29,919.04 × 7,468.16
  4. Step 4: Simplify right side
    19,943.84x = 223,440,177.77
  5. Step 5: Solve for x
    x = 223,440,177.77/19,943.84
  6. Step 6: Final answer
    x = 11,203.47

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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.