Home / 14,925.84-20,598.60-8,640.24

Finding the Fourth Proportional to 14,925.84, 20,598.60 and 8,640.24

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Solution

The fourth proportional to 14,925.84, 20,598.60 and 8,640.24 is: 11,924.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,925.84 : 20,598.60 = 8,640.24 : x
  2. Step 2: Convert to fraction form
    14,925.84/20,598.60 = 8,640.24/x
  3. Step 3: Cross multiply
    14,925.84x = 20,598.60 × 8,640.24
  4. Step 4: Simplify right side
    14,925.84x = 177,976,847.66
  5. Step 5: Solve for x
    x = 177,976,847.66/14,925.84
  6. Step 6: Final answer
    x = 11,924.08

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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.