Home / 20,038.74-27,655.55-11,541.17

Finding the Fourth Proportional to 20,038.74, 27,655.55 and 11,541.17

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Solution

The fourth proportional to 20,038.74, 27,655.55 and 11,541.17 is: 15,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.74 : 27,655.55 = 11,541.17 : x
  2. Step 2: Convert to fraction form
    20,038.74/27,655.55 = 11,541.17/x
  3. Step 3: Cross multiply
    20,038.74x = 27,655.55 × 11,541.17
  4. Step 4: Simplify right side
    20,038.74x = 319,177,208.01
  5. Step 5: Solve for x
    x = 319,177,208.01/20,038.74
  6. Step 6: Final answer
    x = 15,928.01

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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.