Home / 14,251.08-21,376.64-4,390.16

Finding the Fourth Proportional to 14,251.08, 21,376.64 and 4,390.16

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Solution

The fourth proportional to 14,251.08, 21,376.64 and 4,390.16 is: 6,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.08 : 21,376.64 = 4,390.16 : x
  2. Step 2: Convert to fraction form
    14,251.08/21,376.64 = 4,390.16/x
  3. Step 3: Cross multiply
    14,251.08x = 21,376.64 × 4,390.16
  4. Step 4: Simplify right side
    14,251.08x = 93,846,869.86
  5. Step 5: Solve for x
    x = 93,846,869.86/14,251.08
  6. Step 6: Final answer
    x = 6,585.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.