Home / 19,000.99-28,501.17-7,316.74

Finding the Fourth Proportional to 19,000.99, 28,501.17 and 7,316.74

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Solution

The fourth proportional to 19,000.99, 28,501.17 and 7,316.74 is: 10,974.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.99 : 28,501.17 = 7,316.74 : x
  2. Step 2: Convert to fraction form
    19,000.99/28,501.17 = 7,316.74/x
  3. Step 3: Cross multiply
    19,000.99x = 28,501.17 × 7,316.74
  4. Step 4: Simplify right side
    19,000.99x = 208,535,650.59
  5. Step 5: Solve for x
    x = 208,535,650.59/19,000.99
  6. Step 6: Final answer
    x = 10,974.99

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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.