Home / 19,528.40-29,283.96-5,678.48

Finding the Fourth Proportional to 19,528.40, 29,283.96 and 5,678.48

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Solution

The fourth proportional to 19,528.40, 29,283.96 and 5,678.48 is: 8,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.40 : 29,283.96 = 5,678.48 : x
  2. Step 2: Convert to fraction form
    19,528.40/29,283.96 = 5,678.48/x
  3. Step 3: Cross multiply
    19,528.40x = 29,283.96 × 5,678.48
  4. Step 4: Simplify right side
    19,528.40x = 166,288,381.18
  5. Step 5: Solve for x
    x = 166,288,381.18/19,528.40
  6. Step 6: Final answer
    x = 8,515.21

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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.