Home / 17,670.60-26,492.40-8,911.80

Finding the Fourth Proportional to 17,670.60, 26,492.40 and 8,911.80

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Solution

The fourth proportional to 17,670.60, 26,492.40 and 8,911.80 is: 13,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670.60 : 26,492.40 = 8,911.80 : x
  2. Step 2: Convert to fraction form
    17,670.60/26,492.40 = 8,911.80/x
  3. Step 3: Cross multiply
    17,670.60x = 26,492.40 × 8,911.80
  4. Step 4: Simplify right side
    17,670.60x = 236,094,970.32
  5. Step 5: Solve for x
    x = 236,094,970.32/17,670.60
  6. Step 6: Final answer
    x = 13,360.89

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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.