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Finding the Fourth Proportional to 19,495.66, 26,903.94 and 10,543.12

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Solution

The fourth proportional to 19,495.66, 26,903.94 and 10,543.12 is: 14,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.66 : 26,903.94 = 10,543.12 : x
  2. Step 2: Convert to fraction form
    19,495.66/26,903.94 = 10,543.12/x
  3. Step 3: Cross multiply
    19,495.66x = 26,903.94 × 10,543.12
  4. Step 4: Simplify right side
    19,495.66x = 283,651,467.89
  5. Step 5: Solve for x
    x = 283,651,467.89/19,495.66
  6. Step 6: Final answer
    x = 14,549.47

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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.