Home / 18,004.32-24,838.56-10,929.60

Finding the Fourth Proportional to 18,004.32, 24,838.56 and 10,929.60

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Solution

The fourth proportional to 18,004.32, 24,838.56 and 10,929.60 is: 15,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.32 : 24,838.56 = 10,929.60 : x
  2. Step 2: Convert to fraction form
    18,004.32/24,838.56 = 10,929.60/x
  3. Step 3: Cross multiply
    18,004.32x = 24,838.56 × 10,929.60
  4. Step 4: Simplify right side
    18,004.32x = 271,475,525.38
  5. Step 5: Solve for x
    x = 271,475,525.38/18,004.32
  6. Step 6: Final answer
    x = 15,078.35

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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.