Home / 21,746.37-30,009.48-12,794.45

Finding the Fourth Proportional to 21,746.37, 30,009.48 and 12,794.45

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Solution

The fourth proportional to 21,746.37, 30,009.48 and 12,794.45 is: 17,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.37 : 30,009.48 = 12,794.45 : x
  2. Step 2: Convert to fraction form
    21,746.37/30,009.48 = 12,794.45/x
  3. Step 3: Cross multiply
    21,746.37x = 30,009.48 × 12,794.45
  4. Step 4: Simplify right side
    21,746.37x = 383,954,834.13
  5. Step 5: Solve for x
    x = 383,954,834.13/21,746.37
  6. Step 6: Final answer
    x = 17,656.04

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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.