Home / 19,649.66-27,116.51-10,697.21

Finding the Fourth Proportional to 19,649.66, 27,116.51 and 10,697.21

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Solution

The fourth proportional to 19,649.66, 27,116.51 and 10,697.21 is: 14,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.66 : 27,116.51 = 10,697.21 : x
  2. Step 2: Convert to fraction form
    19,649.66/27,116.51 = 10,697.21/x
  3. Step 3: Cross multiply
    19,649.66x = 27,116.51 × 10,697.21
  4. Step 4: Simplify right side
    19,649.66x = 290,070,948.45
  5. Step 5: Solve for x
    x = 290,070,948.45/19,649.66
  6. Step 6: Final answer
    x = 14,762.14

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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.