Home / 17,675.40-26,534.70-9,784.20

Finding the Fourth Proportional to 17,675.40, 26,534.70 and 9,784.20

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Solution

The fourth proportional to 17,675.40, 26,534.70 and 9,784.20 is: 14,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,675.40 : 26,534.70 = 9,784.20 : x
  2. Step 2: Convert to fraction form
    17,675.40/26,534.70 = 9,784.20/x
  3. Step 3: Cross multiply
    17,675.40x = 26,534.70 × 9,784.20
  4. Step 4: Simplify right side
    17,675.40x = 259,620,811.74
  5. Step 5: Solve for x
    x = 259,620,811.74/17,675.40
  6. Step 6: Final answer
    x = 14,688.26

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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.