Home / 16,115.40-22,239.18-9,041.67

Finding the Fourth Proportional to 16,115.40, 22,239.18 and 9,041.67

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Solution

The fourth proportional to 16,115.40, 22,239.18 and 9,041.67 is: 12,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.40 : 22,239.18 = 9,041.67 : x
  2. Step 2: Convert to fraction form
    16,115.40/22,239.18 = 9,041.67/x
  3. Step 3: Cross multiply
    16,115.40x = 22,239.18 × 9,041.67
  4. Step 4: Simplify right side
    16,115.40x = 201,079,326.63
  5. Step 5: Solve for x
    x = 201,079,326.63/16,115.40
  6. Step 6: Final answer
    x = 12,477.46

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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.