Home / 19,235.04-28,835.15-7,545.12

Finding the Fourth Proportional to 19,235.04, 28,835.15 and 7,545.12

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Solution

The fourth proportional to 19,235.04, 28,835.15 and 7,545.12 is: 11,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.04 : 28,835.15 = 7,545.12 : x
  2. Step 2: Convert to fraction form
    19,235.04/28,835.15 = 7,545.12/x
  3. Step 3: Cross multiply
    19,235.04x = 28,835.15 × 7,545.12
  4. Step 4: Simplify right side
    19,235.04x = 217,564,779.82
  5. Step 5: Solve for x
    x = 217,564,779.82/19,235.04
  6. Step 6: Final answer
    x = 11,310.85

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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.