Home / 18,316.49-25,276.46-10,358.42

Finding the Fourth Proportional to 18,316.49, 25,276.46 and 10,358.42

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Solution

The fourth proportional to 18,316.49, 25,276.46 and 10,358.42 is: 14,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.49 : 25,276.46 = 10,358.42 : x
  2. Step 2: Convert to fraction form
    18,316.49/25,276.46 = 10,358.42/x
  3. Step 3: Cross multiply
    18,316.49x = 25,276.46 × 10,358.42
  4. Step 4: Simplify right side
    18,316.49x = 261,824,010.62
  5. Step 5: Solve for x
    x = 261,824,010.62/18,316.49
  6. Step 6: Final answer
    x = 14,294.45

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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.