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Finding the Fourth Proportional to 18,009.98, 24,855.18 and 10,053.40

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Solution

The fourth proportional to 18,009.98, 24,855.18 and 10,053.40 is: 13,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.98 : 24,855.18 = 10,053.40 : x
  2. Step 2: Convert to fraction form
    18,009.98/24,855.18 = 10,053.40/x
  3. Step 3: Cross multiply
    18,009.98x = 24,855.18 × 10,053.40
  4. Step 4: Simplify right side
    18,009.98x = 249,879,066.61
  5. Step 5: Solve for x
    x = 249,879,066.61/18,009.98
  6. Step 6: Final answer
    x = 13,874.48

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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.