Home / 17,539.20-26,312.36-6,445.98

Finding the Fourth Proportional to 17,539.20, 26,312.36 and 6,445.98

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Solution

The fourth proportional to 17,539.20, 26,312.36 and 6,445.98 is: 9,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,539.20 : 26,312.36 = 6,445.98 : x
  2. Step 2: Convert to fraction form
    17,539.20/26,312.36 = 6,445.98/x
  3. Step 3: Cross multiply
    17,539.20x = 26,312.36 × 6,445.98
  4. Step 4: Simplify right side
    17,539.20x = 169,608,914.08
  5. Step 5: Solve for x
    x = 169,608,914.08/17,539.20
  6. Step 6: Final answer
    x = 9,670.28

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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.