Home / 18,627.04-25,684.32-13,582.36

Finding the Fourth Proportional to 18,627.04, 25,684.32 and 13,582.36

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Solution

The fourth proportional to 18,627.04, 25,684.32 and 13,582.36 is: 18,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.04 : 25,684.32 = 13,582.36 : x
  2. Step 2: Convert to fraction form
    18,627.04/25,684.32 = 13,582.36/x
  3. Step 3: Cross multiply
    18,627.04x = 25,684.32 × 13,582.36
  4. Step 4: Simplify right side
    18,627.04x = 348,853,680.60
  5. Step 5: Solve for x
    x = 348,853,680.60/18,627.04
  6. Step 6: Final answer
    x = 18,728.35

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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.