Home / 16,437.06-22,680.18-9,719.32

Finding the Fourth Proportional to 16,437.06, 22,680.18 and 9,719.32

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Solution

The fourth proportional to 16,437.06, 22,680.18 and 9,719.32 is: 13,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,437.06 : 22,680.18 = 9,719.32 : x
  2. Step 2: Convert to fraction form
    16,437.06/22,680.18 = 9,719.32/x
  3. Step 3: Cross multiply
    16,437.06x = 22,680.18 × 9,719.32
  4. Step 4: Simplify right side
    16,437.06x = 220,435,927.08
  5. Step 5: Solve for x
    x = 220,435,927.08/16,437.06
  6. Step 6: Final answer
    x = 13,410.91

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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.