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Finding the Fourth Proportional to 18,894.58, 26,075.15 and 10,397.68

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Solution

The fourth proportional to 18,894.58, 26,075.15 and 10,397.68 is: 14,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.58 : 26,075.15 = 10,397.68 : x
  2. Step 2: Convert to fraction form
    18,894.58/26,075.15 = 10,397.68/x
  3. Step 3: Cross multiply
    18,894.58x = 26,075.15 × 10,397.68
  4. Step 4: Simplify right side
    18,894.58x = 271,120,987.47
  5. Step 5: Solve for x
    x = 271,120,987.47/18,894.58
  6. Step 6: Final answer
    x = 14,349.14

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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.