Home / 19,483.90-26,888.07-11,100.22

Finding the Fourth Proportional to 19,483.90, 26,888.07 and 11,100.22

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Solution

The fourth proportional to 19,483.90, 26,888.07 and 11,100.22 is: 15,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.90 : 26,888.07 = 11,100.22 : x
  2. Step 2: Convert to fraction form
    19,483.90/26,888.07 = 11,100.22/x
  3. Step 3: Cross multiply
    19,483.90x = 26,888.07 × 11,100.22
  4. Step 4: Simplify right side
    19,483.90x = 298,463,492.38
  5. Step 5: Solve for x
    x = 298,463,492.38/19,483.90
  6. Step 6: Final answer
    x = 15,318.47

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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.