Home / 46,488.72-69,733.68-13,209.60

Finding the Fourth Proportional to 46,488.72, 69,733.68 and 13,209.60

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Solution

The fourth proportional to 46,488.72, 69,733.68 and 13,209.60 is: 19,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,488.72 : 69,733.68 = 13,209.60 : x
  2. Step 2: Convert to fraction form
    46,488.72/69,733.68 = 13,209.60/x
  3. Step 3: Cross multiply
    46,488.72x = 69,733.68 × 13,209.60
  4. Step 4: Simplify right side
    46,488.72x = 921,154,019.33
  5. Step 5: Solve for x
    x = 921,154,019.33/46,488.72
  6. Step 6: Final answer
    x = 19,814.57

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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.