Home / 27,637.84-38,146.38-17,564.32

Finding the Fourth Proportional to 27,637.84, 38,146.38 and 17,564.32

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Solution

The fourth proportional to 27,637.84, 38,146.38 and 17,564.32 is: 24,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.84 : 38,146.38 = 17,564.32 : x
  2. Step 2: Convert to fraction form
    27,637.84/38,146.38 = 17,564.32/x
  3. Step 3: Cross multiply
    27,637.84x = 38,146.38 × 17,564.32
  4. Step 4: Simplify right side
    27,637.84x = 670,015,225.16
  5. Step 5: Solve for x
    x = 670,015,225.16/27,637.84
  6. Step 6: Final answer
    x = 24,242.68

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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.