Home / 22,772.02-31,425.56-12,701.12

Finding the Fourth Proportional to 22,772.02, 31,425.56 and 12,701.12

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Solution

The fourth proportional to 22,772.02, 31,425.56 and 12,701.12 is: 17,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.02 : 31,425.56 = 12,701.12 : x
  2. Step 2: Convert to fraction form
    22,772.02/31,425.56 = 12,701.12/x
  3. Step 3: Cross multiply
    22,772.02x = 31,425.56 × 12,701.12
  4. Step 4: Simplify right side
    22,772.02x = 399,139,808.63
  5. Step 5: Solve for x
    x = 399,139,808.63/22,772.02
  6. Step 6: Final answer
    x = 17,527.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.