Home / 17,730.40-26,595.60-7,200.40

Finding the Fourth Proportional to 17,730.40, 26,595.60 and 7,200.40

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Solution

The fourth proportional to 17,730.40, 26,595.60 and 7,200.40 is: 10,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.40 : 26,595.60 = 7,200.40 : x
  2. Step 2: Convert to fraction form
    17,730.40/26,595.60 = 7,200.40/x
  3. Step 3: Cross multiply
    17,730.40x = 26,595.60 × 7,200.40
  4. Step 4: Simplify right side
    17,730.40x = 191,498,958.24
  5. Step 5: Solve for x
    x = 191,498,958.24/17,730.40
  6. Step 6: Final answer
    x = 10,800.60

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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.