Home / 17,349.61-26,020.53-7,980.63

Finding the Fourth Proportional to 17,349.61, 26,020.53 and 7,980.63

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Solution

The fourth proportional to 17,349.61, 26,020.53 and 7,980.63 is: 11,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,349.61 : 26,020.53 = 7,980.63 : x
  2. Step 2: Convert to fraction form
    17,349.61/26,020.53 = 7,980.63/x
  3. Step 3: Cross multiply
    17,349.61x = 26,020.53 × 7,980.63
  4. Step 4: Simplify right side
    17,349.61x = 207,660,222.33
  5. Step 5: Solve for x
    x = 207,660,222.33/17,349.61
  6. Step 6: Final answer
    x = 11,969.16

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Half scale
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Double scale
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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.