Home / 16,800.40-25,199.59-7,437.68

Finding the Fourth Proportional to 16,800.40, 25,199.59 and 7,437.68

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Solution

The fourth proportional to 16,800.40, 25,199.59 and 7,437.68 is: 11,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,800.40 : 25,199.59 = 7,437.68 : x
  2. Step 2: Convert to fraction form
    16,800.40/25,199.59 = 7,437.68/x
  3. Step 3: Cross multiply
    16,800.40x = 25,199.59 × 7,437.68
  4. Step 4: Simplify right side
    16,800.40x = 187,426,449.36
  5. Step 5: Solve for x
    x = 187,426,449.36/16,800.40
  6. Step 6: Final answer
    x = 11,156.07

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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.