Home / 14,915.74-20,585.73-8,628.52

Finding the Fourth Proportional to 14,915.74, 20,585.73 and 8,628.52

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Solution

The fourth proportional to 14,915.74, 20,585.73 and 8,628.52 is: 11,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.74 : 20,585.73 = 8,628.52 : x
  2. Step 2: Convert to fraction form
    14,915.74/20,585.73 = 8,628.52/x
  3. Step 3: Cross multiply
    14,915.74x = 20,585.73 × 8,628.52
  4. Step 4: Simplify right side
    14,915.74x = 177,624,383.02
  5. Step 5: Solve for x
    x = 177,624,383.02/14,915.74
  6. Step 6: Final answer
    x = 11,908.52

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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.