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Finding the Fourth Proportional to 18,854.01, 26,015.63 and 10,894.70

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Solution

The fourth proportional to 18,854.01, 26,015.63 and 10,894.70 is: 15,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.01 : 26,015.63 = 10,894.70 : x
  2. Step 2: Convert to fraction form
    18,854.01/26,015.63 = 10,894.70/x
  3. Step 3: Cross multiply
    18,854.01x = 26,015.63 × 10,894.70
  4. Step 4: Simplify right side
    18,854.01x = 283,432,484.16
  5. Step 5: Solve for x
    x = 283,432,484.16/18,854.01
  6. Step 6: Final answer
    x = 15,033.01

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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.