Home / 15,909.90-23,874.60-6,554.40

Finding the Fourth Proportional to 15,909.90, 23,874.60 and 6,554.40

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Solution

The fourth proportional to 15,909.90, 23,874.60 and 6,554.40 is: 9,835.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.90 : 23,874.60 = 6,554.40 : x
  2. Step 2: Convert to fraction form
    15,909.90/23,874.60 = 6,554.40/x
  3. Step 3: Cross multiply
    15,909.90x = 23,874.60 × 6,554.40
  4. Step 4: Simplify right side
    15,909.90x = 156,483,678.24
  5. Step 5: Solve for x
    x = 156,483,678.24/15,909.90
  6. Step 6: Final answer
    x = 9,835.62

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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.