Home / 19,924.40-27,495.45-10,971.71

Finding the Fourth Proportional to 19,924.40, 27,495.45 and 10,971.71

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Solution

The fourth proportional to 19,924.40, 27,495.45 and 10,971.71 is: 15,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.40 : 27,495.45 = 10,971.71 : x
  2. Step 2: Convert to fraction form
    19,924.40/27,495.45 = 10,971.71/x
  3. Step 3: Cross multiply
    19,924.40x = 27,495.45 × 10,971.71
  4. Step 4: Simplify right side
    19,924.40x = 301,672,172.46
  5. Step 5: Solve for x
    x = 301,672,172.46/19,924.40
  6. Step 6: Final answer
    x = 15,140.84

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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.