Home / 19,477.03-26,880.19-11,521.81

Finding the Fourth Proportional to 19,477.03, 26,880.19 and 11,521.81

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Solution

The fourth proportional to 19,477.03, 26,880.19 and 11,521.81 is: 15,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.03 : 26,880.19 = 11,521.81 : x
  2. Step 2: Convert to fraction form
    19,477.03/26,880.19 = 11,521.81/x
  3. Step 3: Cross multiply
    19,477.03x = 26,880.19 × 11,521.81
  4. Step 4: Simplify right side
    19,477.03x = 309,708,384.33
  5. Step 5: Solve for x
    x = 309,708,384.33/19,477.03
  6. Step 6: Final answer
    x = 15,901.22

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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.