Home / 19,057.60-28,586.40-5,206.60

Finding the Fourth Proportional to 19,057.60, 28,586.40 and 5,206.60

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Solution

The fourth proportional to 19,057.60, 28,586.40 and 5,206.60 is: 7,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.60 : 28,586.40 = 5,206.60 : x
  2. Step 2: Convert to fraction form
    19,057.60/28,586.40 = 5,206.60/x
  3. Step 3: Cross multiply
    19,057.60x = 28,586.40 × 5,206.60
  4. Step 4: Simplify right side
    19,057.60x = 148,837,950.24
  5. Step 5: Solve for x
    x = 148,837,950.24/19,057.60
  6. Step 6: Final answer
    x = 7,809.90

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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.