Home / 28,173.02-42,244.04-9,443.22

Finding the Fourth Proportional to 28,173.02, 42,244.04 and 9,443.22

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Solution

The fourth proportional to 28,173.02, 42,244.04 and 9,443.22 is: 14,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,173.02 : 42,244.04 = 9,443.22 : x
  2. Step 2: Convert to fraction form
    28,173.02/42,244.04 = 9,443.22/x
  3. Step 3: Cross multiply
    28,173.02x = 42,244.04 × 9,443.22
  4. Step 4: Simplify right side
    28,173.02x = 398,919,763.41
  5. Step 5: Solve for x
    x = 398,919,763.41/28,173.02
  6. Step 6: Final answer
    x = 14,159.64

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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.