Home / 19,867.83-27,417.69-10,915.56

Finding the Fourth Proportional to 19,867.83, 27,417.69 and 10,915.56

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Solution

The fourth proportional to 19,867.83, 27,417.69 and 10,915.56 is: 15,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.83 : 27,417.69 = 10,915.56 : x
  2. Step 2: Convert to fraction form
    19,867.83/27,417.69 = 10,915.56/x
  3. Step 3: Cross multiply
    19,867.83x = 27,417.69 × 10,915.56
  4. Step 4: Simplify right side
    19,867.83x = 299,279,440.26
  5. Step 5: Solve for x
    x = 299,279,440.26/19,867.83
  6. Step 6: Final answer
    x = 15,063.52

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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.