Home / 19,078.23-26,329.50-10,581.20

Finding the Fourth Proportional to 19,078.23, 26,329.50 and 10,581.20

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Solution

The fourth proportional to 19,078.23, 26,329.50 and 10,581.20 is: 14,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.23 : 26,329.50 = 10,581.20 : x
  2. Step 2: Convert to fraction form
    19,078.23/26,329.50 = 10,581.20/x
  3. Step 3: Cross multiply
    19,078.23x = 26,329.50 × 10,581.20
  4. Step 4: Simplify right side
    19,078.23x = 278,597,705.40
  5. Step 5: Solve for x
    x = 278,597,705.40/19,078.23
  6. Step 6: Final answer
    x = 14,602.91

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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.