Home / 19,972.51-29,958.39-7,492.23

Finding the Fourth Proportional to 19,972.51, 29,958.39 and 7,492.23

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Solution

The fourth proportional to 19,972.51, 29,958.39 and 7,492.23 is: 11,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.51 : 29,958.39 = 7,492.23 : x
  2. Step 2: Convert to fraction form
    19,972.51/29,958.39 = 7,492.23/x
  3. Step 3: Cross multiply
    19,972.51x = 29,958.39 × 7,492.23
  4. Step 4: Simplify right side
    19,972.51x = 224,455,148.31
  5. Step 5: Solve for x
    x = 224,455,148.31/19,972.51
  6. Step 6: Final answer
    x = 11,238.21

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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.