Home / 16,156.08-22,291.38-9,437.76

Finding the Fourth Proportional to 16,156.08, 22,291.38 and 9,437.76

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Solution

The fourth proportional to 16,156.08, 22,291.38 and 9,437.76 is: 13,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,156.08 : 22,291.38 = 9,437.76 : x
  2. Step 2: Convert to fraction form
    16,156.08/22,291.38 = 9,437.76/x
  3. Step 3: Cross multiply
    16,156.08x = 22,291.38 × 9,437.76
  4. Step 4: Simplify right side
    16,156.08x = 210,380,694.51
  5. Step 5: Solve for x
    x = 210,380,694.51/16,156.08
  6. Step 6: Final answer
    x = 13,021.77

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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.