Home / 27,147.04-40,706.80-9,614.40

Finding the Fourth Proportional to 27,147.04, 40,706.80 and 9,614.40

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Solution

The fourth proportional to 27,147.04, 40,706.80 and 9,614.40 is: 14,416.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.04 : 40,706.80 = 9,614.40 : x
  2. Step 2: Convert to fraction form
    27,147.04/40,706.80 = 9,614.40/x
  3. Step 3: Cross multiply
    27,147.04x = 40,706.80 × 9,614.40
  4. Step 4: Simplify right side
    27,147.04x = 391,371,457.92
  5. Step 5: Solve for x
    x = 391,371,457.92/27,147.04
  6. Step 6: Final answer
    x = 14,416.73

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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.