Home / 17,543.84-26,090.13-16,990.12

Finding the Fourth Proportional to 17,543.84, 26,090.13 and 16,990.12

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Solution

The fourth proportional to 17,543.84, 26,090.13 and 16,990.12 is: 25,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,543.84 : 26,090.13 = 16,990.12 : x
  2. Step 2: Convert to fraction form
    17,543.84/26,090.13 = 16,990.12/x
  3. Step 3: Cross multiply
    17,543.84x = 26,090.13 × 16,990.12
  4. Step 4: Simplify right side
    17,543.84x = 443,274,224.11
  5. Step 5: Solve for x
    x = 443,274,224.11/17,543.84
  6. Step 6: Final answer
    x = 25,266.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.