Home / 46,147.50-69,214.23-12,864.06

Finding the Fourth Proportional to 46,147.50, 69,214.23 and 12,864.06

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Solution

The fourth proportional to 46,147.50, 69,214.23 and 12,864.06 is: 19,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,147.50 : 69,214.23 = 12,864.06 : x
  2. Step 2: Convert to fraction form
    46,147.50/69,214.23 = 12,864.06/x
  3. Step 3: Cross multiply
    46,147.50x = 69,214.23 × 12,864.06
  4. Step 4: Simplify right side
    46,147.50x = 890,376,007.57
  5. Step 5: Solve for x
    x = 890,376,007.57/46,147.50
  6. Step 6: Final answer
    x = 19,294.13

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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.