Home / 19,904.76-27,468.81-11,407.23

Finding the Fourth Proportional to 19,904.76, 27,468.81 and 11,407.23

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Solution

The fourth proportional to 19,904.76, 27,468.81 and 11,407.23 is: 15,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.76 : 27,468.81 = 11,407.23 : x
  2. Step 2: Convert to fraction form
    19,904.76/27,468.81 = 11,407.23/x
  3. Step 3: Cross multiply
    19,904.76x = 27,468.81 × 11,407.23
  4. Step 4: Simplify right side
    19,904.76x = 313,343,033.50
  5. Step 5: Solve for x
    x = 313,343,033.50/19,904.76
  6. Step 6: Final answer
    x = 15,742.12

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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.