Home / 18,280.84-25,203.16-14,516.47

Finding the Fourth Proportional to 18,280.84, 25,203.16 and 14,516.47

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Solution

The fourth proportional to 18,280.84, 25,203.16 and 14,516.47 is: 20,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.84 : 25,203.16 = 14,516.47 : x
  2. Step 2: Convert to fraction form
    18,280.84/25,203.16 = 14,516.47/x
  3. Step 3: Cross multiply
    18,280.84x = 25,203.16 × 14,516.47
  4. Step 4: Simplify right side
    18,280.84x = 365,860,844.34
  5. Step 5: Solve for x
    x = 365,860,844.34/18,280.84
  6. Step 6: Final answer
    x = 20,013.35

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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.