Home / 19,992.10-29,968.95-15,547.30

Finding the Fourth Proportional to 19,992.10, 29,968.95 and 15,547.30

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Solution

The fourth proportional to 19,992.10, 29,968.95 and 15,547.30 is: 23,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.10 : 29,968.95 = 15,547.30 : x
  2. Step 2: Convert to fraction form
    19,992.10/29,968.95 = 15,547.30/x
  3. Step 3: Cross multiply
    19,992.10x = 29,968.95 × 15,547.30
  4. Step 4: Simplify right side
    19,992.10x = 465,936,256.34
  5. Step 5: Solve for x
    x = 465,936,256.34/19,992.10
  6. Step 6: Final answer
    x = 23,306.02

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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.