Home / 18,622.49-25,699.54-10,125.18

Finding the Fourth Proportional to 18,622.49, 25,699.54 and 10,125.18

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Solution

The fourth proportional to 18,622.49, 25,699.54 and 10,125.18 is: 13,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.49 : 25,699.54 = 10,125.18 : x
  2. Step 2: Convert to fraction form
    18,622.49/25,699.54 = 10,125.18/x
  3. Step 3: Cross multiply
    18,622.49x = 25,699.54 × 10,125.18
  4. Step 4: Simplify right side
    18,622.49x = 260,212,468.42
  5. Step 5: Solve for x
    x = 260,212,468.42/18,622.49
  6. Step 6: Final answer
    x = 13,973.02

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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.