Home / 19,599.36-29,378.89-7,748.32

Finding the Fourth Proportional to 19,599.36, 29,378.89 and 7,748.32

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Solution

The fourth proportional to 19,599.36, 29,378.89 and 7,748.32 is: 11,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.36 : 29,378.89 = 7,748.32 : x
  2. Step 2: Convert to fraction form
    19,599.36/29,378.89 = 7,748.32/x
  3. Step 3: Cross multiply
    19,599.36x = 29,378.89 × 7,748.32
  4. Step 4: Simplify right side
    19,599.36x = 227,637,040.96
  5. Step 5: Solve for x
    x = 227,637,040.96/19,599.36
  6. Step 6: Final answer
    x = 11,614.51

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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.