Home / 14,088.39-19,442.39-7,800.77

Finding the Fourth Proportional to 14,088.39, 19,442.39 and 7,800.77

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Solution

The fourth proportional to 14,088.39, 19,442.39 and 7,800.77 is: 10,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.39 : 19,442.39 = 7,800.77 : x
  2. Step 2: Convert to fraction form
    14,088.39/19,442.39 = 7,800.77/x
  3. Step 3: Cross multiply
    14,088.39x = 19,442.39 × 7,800.77
  4. Step 4: Simplify right side
    14,088.39x = 151,665,476.42
  5. Step 5: Solve for x
    x = 151,665,476.42/14,088.39
  6. Step 6: Final answer
    x = 10,765.28

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Half scale
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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.