Home / 19,312.92-28,980.18-10,548.54

Finding the Fourth Proportional to 19,312.92, 28,980.18 and 10,548.54

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Solution

The fourth proportional to 19,312.92, 28,980.18 and 10,548.54 is: 15,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.92 : 28,980.18 = 10,548.54 : x
  2. Step 2: Convert to fraction form
    19,312.92/28,980.18 = 10,548.54/x
  3. Step 3: Cross multiply
    19,312.92x = 28,980.18 × 10,548.54
  4. Step 4: Simplify right side
    19,312.92x = 305,698,587.94
  5. Step 5: Solve for x
    x = 305,698,587.94/19,312.92
  6. Step 6: Final answer
    x = 15,828.71

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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.