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Finding the Fourth Proportional to 18,352.59, 25,326.05 and 10,395.51

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Solution

The fourth proportional to 18,352.59, 25,326.05 and 10,395.51 is: 14,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.59 : 25,326.05 = 10,395.51 : x
  2. Step 2: Convert to fraction form
    18,352.59/25,326.05 = 10,395.51/x
  3. Step 3: Cross multiply
    18,352.59x = 25,326.05 × 10,395.51
  4. Step 4: Simplify right side
    18,352.59x = 263,277,154.06
  5. Step 5: Solve for x
    x = 263,277,154.06/18,352.59
  6. Step 6: Final answer
    x = 14,345.50

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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.