Home / 27,582.36-38,063.52-15,007.20

Finding the Fourth Proportional to 27,582.36, 38,063.52 and 15,007.20

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Solution

The fourth proportional to 27,582.36, 38,063.52 and 15,007.20 is: 20,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,582.36 : 38,063.52 = 15,007.20 : x
  2. Step 2: Convert to fraction form
    27,582.36/38,063.52 = 15,007.20/x
  3. Step 3: Cross multiply
    27,582.36x = 38,063.52 × 15,007.20
  4. Step 4: Simplify right side
    27,582.36x = 571,226,857.34
  5. Step 5: Solve for x
    x = 571,226,857.34/27,582.36
  6. Step 6: Final answer
    x = 20,709.86

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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.