Home / 18,038.58-27,054.48-4,889.22

Finding the Fourth Proportional to 18,038.58, 27,054.48 and 4,889.22

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Solution

The fourth proportional to 18,038.58, 27,054.48 and 4,889.22 is: 7,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.58 : 27,054.48 = 4,889.22 : x
  2. Step 2: Convert to fraction form
    18,038.58/27,054.48 = 4,889.22/x
  3. Step 3: Cross multiply
    18,038.58x = 27,054.48 × 4,889.22
  4. Step 4: Simplify right side
    18,038.58x = 132,275,304.71
  5. Step 5: Solve for x
    x = 132,275,304.71/18,038.58
  6. Step 6: Final answer
    x = 7,332.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.