Home / 17,554.60-26,378.70-9,663.40

Finding the Fourth Proportional to 17,554.60, 26,378.70 and 9,663.40

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Solution

The fourth proportional to 17,554.60, 26,378.70 and 9,663.40 is: 14,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,554.60 : 26,378.70 = 9,663.40 : x
  2. Step 2: Convert to fraction form
    17,554.60/26,378.70 = 9,663.40/x
  3. Step 3: Cross multiply
    17,554.60x = 26,378.70 × 9,663.40
  4. Step 4: Simplify right side
    17,554.60x = 254,907,929.58
  5. Step 5: Solve for x
    x = 254,907,929.58/17,554.60
  6. Step 6: Final answer
    x = 14,520.86

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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.