Home / 14,915.42-20,582.75-8,201.00

Finding the Fourth Proportional to 14,915.42, 20,582.75 and 8,201.00

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Solution

The fourth proportional to 14,915.42, 20,582.75 and 8,201.00 is: 11,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.42 : 20,582.75 = 8,201.00 : x
  2. Step 2: Convert to fraction form
    14,915.42/20,582.75 = 8,201.00/x
  3. Step 3: Cross multiply
    14,915.42x = 20,582.75 × 8,201.00
  4. Step 4: Simplify right side
    14,915.42x = 168,798,988.83
  5. Step 5: Solve for x
    x = 168,798,988.83/14,915.42
  6. Step 6: Final answer
    x = 11,317.08

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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.