Home / 18,370.47-25,350.53-10,412.53

Finding the Fourth Proportional to 18,370.47, 25,350.53 and 10,412.53

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Solution

The fourth proportional to 18,370.47, 25,350.53 and 10,412.53 is: 14,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.47 : 25,350.53 = 10,412.53 : x
  2. Step 2: Convert to fraction form
    18,370.47/25,350.53 = 10,412.53/x
  3. Step 3: Cross multiply
    18,370.47x = 25,350.53 × 10,412.53
  4. Step 4: Simplify right side
    18,370.47x = 263,963,027.39
  5. Step 5: Solve for x
    x = 263,963,027.39/18,370.47
  6. Step 6: Final answer
    x = 14,368.88

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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.