Home / 14,088.47-19,442.70-7,800.85

Finding the Fourth Proportional to 14,088.47, 19,442.70 and 7,800.85

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Solution

The fourth proportional to 14,088.47, 19,442.70 and 7,800.85 is: 10,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.47 : 19,442.70 = 7,800.85 : x
  2. Step 2: Convert to fraction form
    14,088.47/19,442.70 = 7,800.85/x
  3. Step 3: Cross multiply
    14,088.47x = 19,442.70 × 7,800.85
  4. Step 4: Simplify right side
    14,088.47x = 151,669,586.30
  5. Step 5: Solve for x
    x = 151,669,586.30/14,088.47
  6. Step 6: Final answer
    x = 10,765.51

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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.