Home / 22,602.04-31,190.82-12,530.60

Finding the Fourth Proportional to 22,602.04, 31,190.82 and 12,530.60

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Solution

The fourth proportional to 22,602.04, 31,190.82 and 12,530.60 is: 17,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602.04 : 31,190.82 = 12,530.60 : x
  2. Step 2: Convert to fraction form
    22,602.04/31,190.82 = 12,530.60/x
  3. Step 3: Cross multiply
    22,602.04x = 31,190.82 × 12,530.60
  4. Step 4: Simplify right side
    22,602.04x = 390,839,673.60
  5. Step 5: Solve for x
    x = 390,839,673.60/22,602.04
  6. Step 6: Final answer
    x = 17,292.23

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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.