Home / 44,448.79-66,683.51-12,857.57

Finding the Fourth Proportional to 44,448.79, 66,683.51 and 12,857.57

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Solution

The fourth proportional to 44,448.79, 66,683.51 and 12,857.57 is: 19,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,448.79 : 66,683.51 = 12,857.57 : x
  2. Step 2: Convert to fraction form
    44,448.79/66,683.51 = 12,857.57/x
  3. Step 3: Cross multiply
    44,448.79x = 66,683.51 × 12,857.57
  4. Step 4: Simplify right side
    44,448.79x = 857,387,897.67
  5. Step 5: Solve for x
    x = 857,387,897.67/44,448.79
  6. Step 6: Final answer
    x = 19,289.34

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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.