Home / 19,233.90-28,845.90-7,547.22

Finding the Fourth Proportional to 19,233.90, 28,845.90 and 7,547.22

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Solution

The fourth proportional to 19,233.90, 28,845.90 and 7,547.22 is: 11,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.90 : 28,845.90 = 7,547.22 : x
  2. Step 2: Convert to fraction form
    19,233.90/28,845.90 = 7,547.22/x
  3. Step 3: Cross multiply
    19,233.90x = 28,845.90 × 7,547.22
  4. Step 4: Simplify right side
    19,233.90x = 217,706,353.40
  5. Step 5: Solve for x
    x = 217,706,353.40/19,233.90
  6. Step 6: Final answer
    x = 11,318.89

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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.