Home / 19,045.70-28,557.60-10,150.07

Finding the Fourth Proportional to 19,045.70, 28,557.60 and 10,150.07

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Solution

The fourth proportional to 19,045.70, 28,557.60 and 10,150.07 is: 15,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.70 : 28,557.60 = 10,150.07 : x
  2. Step 2: Convert to fraction form
    19,045.70/28,557.60 = 10,150.07/x
  3. Step 3: Cross multiply
    19,045.70x = 28,557.60 × 10,150.07
  4. Step 4: Simplify right side
    19,045.70x = 289,861,710.43
  5. Step 5: Solve for x
    x = 289,861,710.43/19,045.70
  6. Step 6: Final answer
    x = 15,219.28

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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.