Home / 27,615.84-38,124.08-17,011.68

Finding the Fourth Proportional to 27,615.84, 38,124.08 and 17,011.68

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Solution

The fourth proportional to 27,615.84, 38,124.08 and 17,011.68 is: 23,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.84 : 38,124.08 = 17,011.68 : x
  2. Step 2: Convert to fraction form
    27,615.84/38,124.08 = 17,011.68/x
  3. Step 3: Cross multiply
    27,615.84x = 38,124.08 × 17,011.68
  4. Step 4: Simplify right side
    27,615.84x = 648,554,649.25
  5. Step 5: Solve for x
    x = 648,554,649.25/27,615.84
  6. Step 6: Final answer
    x = 23,484.88

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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.