Home / 19,030.15-28,545.41-8,500.69

Finding the Fourth Proportional to 19,030.15, 28,545.41 and 8,500.69

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Solution

The fourth proportional to 19,030.15, 28,545.41 and 8,500.69 is: 12,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.15 : 28,545.41 = 8,500.69 : x
  2. Step 2: Convert to fraction form
    19,030.15/28,545.41 = 8,500.69/x
  3. Step 3: Cross multiply
    19,030.15x = 28,545.41 × 8,500.69
  4. Step 4: Simplify right side
    19,030.15x = 242,655,681.33
  5. Step 5: Solve for x
    x = 242,655,681.33/19,030.15
  6. Step 6: Final answer
    x = 12,751.12

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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.