Home / 27,555.42-38,026.44-14,980.17

Finding the Fourth Proportional to 27,555.42, 38,026.44 and 14,980.17

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Solution

The fourth proportional to 27,555.42, 38,026.44 and 14,980.17 is: 20,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.42 : 38,026.44 = 14,980.17 : x
  2. Step 2: Convert to fraction form
    27,555.42/38,026.44 = 14,980.17/x
  3. Step 3: Cross multiply
    27,555.42x = 38,026.44 × 14,980.17
  4. Step 4: Simplify right side
    27,555.42x = 569,642,535.69
  5. Step 5: Solve for x
    x = 569,642,535.69/27,555.42
  6. Step 6: Final answer
    x = 20,672.61

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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.