Home / 16,802.40-25,202.58-7,439.68

Finding the Fourth Proportional to 16,802.40, 25,202.58 and 7,439.68

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Solution

The fourth proportional to 16,802.40, 25,202.58 and 7,439.68 is: 11,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.40 : 25,202.58 = 7,439.68 : x
  2. Step 2: Convert to fraction form
    16,802.40/25,202.58 = 7,439.68/x
  3. Step 3: Cross multiply
    16,802.40x = 25,202.58 × 7,439.68
  4. Step 4: Simplify right side
    16,802.40x = 187,499,130.37
  5. Step 5: Solve for x
    x = 187,499,130.37/16,802.40
  6. Step 6: Final answer
    x = 11,159.07

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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.