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Finding the Fourth Proportional to 19,495.95, 26,904.34 and 10,543.44

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Solution

The fourth proportional to 19,495.95, 26,904.34 and 10,543.44 is: 14,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.95 : 26,904.34 = 10,543.44 : x
  2. Step 2: Convert to fraction form
    19,495.95/26,904.34 = 10,543.44/x
  3. Step 3: Cross multiply
    19,495.95x = 26,904.34 × 10,543.44
  4. Step 4: Simplify right side
    19,495.95x = 283,664,294.53
  5. Step 5: Solve for x
    x = 283,664,294.53/19,495.95
  6. Step 6: Final answer
    x = 14,549.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.