Home / 14,980.32-20,627.04-13,573.92

Finding the Fourth Proportional to 14,980.32, 20,627.04 and 13,573.92

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Solution

The fourth proportional to 14,980.32, 20,627.04 and 13,573.92 is: 18,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.32 : 20,627.04 = 13,573.92 : x
  2. Step 2: Convert to fraction form
    14,980.32/20,627.04 = 13,573.92/x
  3. Step 3: Cross multiply
    14,980.32x = 20,627.04 × 13,573.92
  4. Step 4: Simplify right side
    14,980.32x = 279,989,790.80
  5. Step 5: Solve for x
    x = 279,989,790.80/14,980.32
  6. Step 6: Final answer
    x = 18,690.51

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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.