Home / 17,385.23-26,066.31-6,290.45

Finding the Fourth Proportional to 17,385.23, 26,066.31 and 6,290.45

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Solution

The fourth proportional to 17,385.23, 26,066.31 and 6,290.45 is: 9,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.23 : 26,066.31 = 6,290.45 : x
  2. Step 2: Convert to fraction form
    17,385.23/26,066.31 = 6,290.45/x
  3. Step 3: Cross multiply
    17,385.23x = 26,066.31 × 6,290.45
  4. Step 4: Simplify right side
    17,385.23x = 163,968,689.41
  5. Step 5: Solve for x
    x = 163,968,689.41/17,385.23
  6. Step 6: Final answer
    x = 9,431.50

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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.