Home / 27,582.89-38,064.58-15,007.64

Finding the Fourth Proportional to 27,582.89, 38,064.58 and 15,007.64

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Solution

The fourth proportional to 27,582.89, 38,064.58 and 15,007.64 is: 20,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,582.89 : 38,064.58 = 15,007.64 : x
  2. Step 2: Convert to fraction form
    27,582.89/38,064.58 = 15,007.64/x
  3. Step 3: Cross multiply
    27,582.89x = 38,064.58 × 15,007.64
  4. Step 4: Simplify right side
    27,582.89x = 571,259,285.55
  5. Step 5: Solve for x
    x = 571,259,285.55/27,582.89
  6. Step 6: Final answer
    x = 20,710.64

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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.