Home / 13,266.12-19,885.90-8,526.04

Finding the Fourth Proportional to 13,266.12, 19,885.90 and 8,526.04

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Solution

The fourth proportional to 13,266.12, 19,885.90 and 8,526.04 is: 12,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.12 : 19,885.90 = 8,526.04 : x
  2. Step 2: Convert to fraction form
    13,266.12/19,885.90 = 8,526.04/x
  3. Step 3: Cross multiply
    13,266.12x = 19,885.90 × 8,526.04
  4. Step 4: Simplify right side
    13,266.12x = 169,547,978.84
  5. Step 5: Solve for x
    x = 169,547,978.84/13,266.12
  6. Step 6: Final answer
    x = 12,780.53

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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.