Home / 27,580.04-38,061.94-15,647.22

Finding the Fourth Proportional to 27,580.04, 38,061.94 and 15,647.22

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Solution

The fourth proportional to 27,580.04, 38,061.94 and 15,647.22 is: 21,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580.04 : 38,061.94 = 15,647.22 : x
  2. Step 2: Convert to fraction form
    27,580.04/38,061.94 = 15,647.22/x
  3. Step 3: Cross multiply
    27,580.04x = 38,061.94 × 15,647.22
  4. Step 4: Simplify right side
    27,580.04x = 595,563,548.81
  5. Step 5: Solve for x
    x = 595,563,548.81/27,580.04
  6. Step 6: Final answer
    x = 21,594.01

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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.