Home / 20,030.03-27,644.07-11,532.51

Finding the Fourth Proportional to 20,030.03, 27,644.07 and 11,532.51

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Solution

The fourth proportional to 20,030.03, 27,644.07 and 11,532.51 is: 15,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.03 : 27,644.07 = 11,532.51 : x
  2. Step 2: Convert to fraction form
    20,030.03/27,644.07 = 11,532.51/x
  3. Step 3: Cross multiply
    20,030.03x = 27,644.07 × 11,532.51
  4. Step 4: Simplify right side
    20,030.03x = 318,805,492.09
  5. Step 5: Solve for x
    x = 318,805,492.09/20,030.03
  6. Step 6: Final answer
    x = 15,916.37

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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.