Home / 19,000.40-28,500.66-5,852.70

Finding the Fourth Proportional to 19,000.40, 28,500.66 and 5,852.70

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Solution

The fourth proportional to 19,000.40, 28,500.66 and 5,852.70 is: 8,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.40 : 28,500.66 = 5,852.70 : x
  2. Step 2: Convert to fraction form
    19,000.40/28,500.66 = 5,852.70/x
  3. Step 3: Cross multiply
    19,000.40x = 28,500.66 × 5,852.70
  4. Step 4: Simplify right side
    19,000.40x = 166,805,812.78
  5. Step 5: Solve for x
    x = 166,805,812.78/19,000.40
  6. Step 6: Final answer
    x = 8,779.07

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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.