Home / 19,203.92-26,501.60-10,706.78

Finding the Fourth Proportional to 19,203.92, 26,501.60 and 10,706.78

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Solution

The fourth proportional to 19,203.92, 26,501.60 and 10,706.78 is: 14,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.92 : 26,501.60 = 10,706.78 : x
  2. Step 2: Convert to fraction form
    19,203.92/26,501.60 = 10,706.78/x
  3. Step 3: Cross multiply
    19,203.92x = 26,501.60 × 10,706.78
  4. Step 4: Simplify right side
    19,203.92x = 283,746,800.85
  5. Step 5: Solve for x
    x = 283,746,800.85/19,203.92
  6. Step 6: Final answer
    x = 14,775.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.