Home / 14,088.16-19,441.80-7,800.88

Finding the Fourth Proportional to 14,088.16, 19,441.80 and 7,800.88

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Solution

The fourth proportional to 14,088.16, 19,441.80 and 7,800.88 is: 10,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.16 : 19,441.80 = 7,800.88 : x
  2. Step 2: Convert to fraction form
    14,088.16/19,441.80 = 7,800.88/x
  3. Step 3: Cross multiply
    14,088.16x = 19,441.80 × 7,800.88
  4. Step 4: Simplify right side
    14,088.16x = 151,663,148.78
  5. Step 5: Solve for x
    x = 151,663,148.78/14,088.16
  6. Step 6: Final answer
    x = 10,765.29

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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.