Home / 19,152.05-28,711.06-7,462.53

Finding the Fourth Proportional to 19,152.05, 28,711.06 and 7,462.53

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Solution

The fourth proportional to 19,152.05, 28,711.06 and 7,462.53 is: 11,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.05 : 28,711.06 = 7,462.53 : x
  2. Step 2: Convert to fraction form
    19,152.05/28,711.06 = 7,462.53/x
  3. Step 3: Cross multiply
    19,152.05x = 28,711.06 × 7,462.53
  4. Step 4: Simplify right side
    19,152.05x = 214,257,127.93
  5. Step 5: Solve for x
    x = 214,257,127.93/19,152.05
  6. Step 6: Final answer
    x = 11,187.17

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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.