Home / 18,829.59-25,984.65-10,871.67

Finding the Fourth Proportional to 18,829.59, 25,984.65 and 10,871.67

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Solution

The fourth proportional to 18,829.59, 25,984.65 and 10,871.67 is: 15,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.59 : 25,984.65 = 10,871.67 : x
  2. Step 2: Convert to fraction form
    18,829.59/25,984.65 = 10,871.67/x
  3. Step 3: Cross multiply
    18,829.59x = 25,984.65 × 10,871.67
  4. Step 4: Simplify right side
    18,829.59x = 282,496,539.87
  5. Step 5: Solve for x
    x = 282,496,539.87/18,829.59
  6. Step 6: Final answer
    x = 15,002.80

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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.