Home / 49,714.10-74,571.30-12,274.18

Finding the Fourth Proportional to 49,714.10, 74,571.30 and 12,274.18

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Solution

The fourth proportional to 49,714.10, 74,571.30 and 12,274.18 is: 18,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,714.10 : 74,571.30 = 12,274.18 : x
  2. Step 2: Convert to fraction form
    49,714.10/74,571.30 = 12,274.18/x
  3. Step 3: Cross multiply
    49,714.10x = 74,571.30 × 12,274.18
  4. Step 4: Simplify right side
    49,714.10x = 915,301,124.81
  5. Step 5: Solve for x
    x = 915,301,124.81/49,714.10
  6. Step 6: Final answer
    x = 18,411.30

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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.