Home / 18,622.12-25,698.60-10,124.32

Finding the Fourth Proportional to 18,622.12, 25,698.60 and 10,124.32

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Solution

The fourth proportional to 18,622.12, 25,698.60 and 10,124.32 is: 13,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.12 : 25,698.60 = 10,124.32 : x
  2. Step 2: Convert to fraction form
    18,622.12/25,698.60 = 10,124.32/x
  3. Step 3: Cross multiply
    18,622.12x = 25,698.60 × 10,124.32
  4. Step 4: Simplify right side
    18,622.12x = 260,180,849.95
  5. Step 5: Solve for x
    x = 260,180,849.95/18,622.12
  6. Step 6: Final answer
    x = 13,971.60

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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.