Home / 18,435.24-25,440.78-10,051.80

Finding the Fourth Proportional to 18,435.24, 25,440.78 and 10,051.80

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Solution

The fourth proportional to 18,435.24, 25,440.78 and 10,051.80 is: 13,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.24 : 25,440.78 = 10,051.80 : x
  2. Step 2: Convert to fraction form
    18,435.24/25,440.78 = 10,051.80/x
  3. Step 3: Cross multiply
    18,435.24x = 25,440.78 × 10,051.80
  4. Step 4: Simplify right side
    18,435.24x = 255,725,632.40
  5. Step 5: Solve for x
    x = 255,725,632.40/18,435.24
  6. Step 6: Final answer
    x = 13,871.57

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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.