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Finding the Fourth Proportional to 16,115.10, 22,238.74 and 9,041.50

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Solution

The fourth proportional to 16,115.10, 22,238.74 and 9,041.50 is: 12,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.10 : 22,238.74 = 9,041.50 : x
  2. Step 2: Convert to fraction form
    16,115.10/22,238.74 = 9,041.50/x
  3. Step 3: Cross multiply
    16,115.10x = 22,238.74 × 9,041.50
  4. Step 4: Simplify right side
    16,115.10x = 201,071,567.71
  5. Step 5: Solve for x
    x = 201,071,567.71/16,115.10
  6. Step 6: Final answer
    x = 12,477.22

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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.