Home / 18,300.34-25,255.07-10,124.05

Finding the Fourth Proportional to 18,300.34, 25,255.07 and 10,124.05

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Solution

The fourth proportional to 18,300.34, 25,255.07 and 10,124.05 is: 13,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.34 : 25,255.07 = 10,124.05 : x
  2. Step 2: Convert to fraction form
    18,300.34/25,255.07 = 10,124.05/x
  3. Step 3: Cross multiply
    18,300.34x = 25,255.07 × 10,124.05
  4. Step 4: Simplify right side
    18,300.34x = 255,683,654.57
  5. Step 5: Solve for x
    x = 255,683,654.57/18,300.34
  6. Step 6: Final answer
    x = 13,971.53

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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.