Home / 14,639.64-20,202.75-7,925.34

Finding the Fourth Proportional to 14,639.64, 20,202.75 and 7,925.34

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Solution

The fourth proportional to 14,639.64, 20,202.75 and 7,925.34 is: 10,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.64 : 20,202.75 = 7,925.34 : x
  2. Step 2: Convert to fraction form
    14,639.64/20,202.75 = 7,925.34/x
  3. Step 3: Cross multiply
    14,639.64x = 20,202.75 × 7,925.34
  4. Step 4: Simplify right side
    14,639.64x = 160,113,738.45
  5. Step 5: Solve for x
    x = 160,113,738.45/14,639.64
  6. Step 6: Final answer
    x = 10,937.00

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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.