Home / 17,117.09-25,675.63-6,445.45

Finding the Fourth Proportional to 17,117.09, 25,675.63 and 6,445.45

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Solution

The fourth proportional to 17,117.09, 25,675.63 and 6,445.45 is: 9,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.09 : 25,675.63 = 6,445.45 : x
  2. Step 2: Convert to fraction form
    17,117.09/25,675.63 = 6,445.45/x
  3. Step 3: Cross multiply
    17,117.09x = 25,675.63 × 6,445.45
  4. Step 4: Simplify right side
    17,117.09x = 165,490,969.41
  5. Step 5: Solve for x
    x = 165,490,969.41/17,117.09
  6. Step 6: Final answer
    x = 9,668.17

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Similar ratio
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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.