Home / 27,973.28-38,583.47-18,410.11

Finding the Fourth Proportional to 27,973.28, 38,583.47 and 18,410.11

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Solution

The fourth proportional to 27,973.28, 38,583.47 and 18,410.11 is: 25,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,973.28 : 38,583.47 = 18,410.11 : x
  2. Step 2: Convert to fraction form
    27,973.28/38,583.47 = 18,410.11/x
  3. Step 3: Cross multiply
    27,973.28x = 38,583.47 × 18,410.11
  4. Step 4: Simplify right side
    27,973.28x = 710,325,876.45
  5. Step 5: Solve for x
    x = 710,325,876.45/27,973.28
  6. Step 6: Final answer
    x = 25,393.01

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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.