Home / 27,894.69-38,483.55-17,820.52

Finding the Fourth Proportional to 27,894.69, 38,483.55 and 17,820.52

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Solution

The fourth proportional to 27,894.69, 38,483.55 and 17,820.52 is: 24,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.69 : 38,483.55 = 17,820.52 : x
  2. Step 2: Convert to fraction form
    27,894.69/38,483.55 = 17,820.52/x
  3. Step 3: Cross multiply
    27,894.69x = 38,483.55 × 17,820.52
  4. Step 4: Simplify right side
    27,894.69x = 685,796,783.34
  5. Step 5: Solve for x
    x = 685,796,783.34/27,894.69
  6. Step 6: Final answer
    x = 24,585.21

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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.