Home / 19,037.18-28,534.53-7,940.18

Finding the Fourth Proportional to 19,037.18, 28,534.53 and 7,940.18

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Solution

The fourth proportional to 19,037.18, 28,534.53 and 7,940.18 is: 11,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.18 : 28,534.53 = 7,940.18 : x
  2. Step 2: Convert to fraction form
    19,037.18/28,534.53 = 7,940.18/x
  3. Step 3: Cross multiply
    19,037.18x = 28,534.53 × 7,940.18
  4. Step 4: Simplify right side
    19,037.18x = 226,569,405.53
  5. Step 5: Solve for x
    x = 226,569,405.53/19,037.18
  6. Step 6: Final answer
    x = 11,901.41

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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.