Home / 27,555.18-38,026.71-14,980.74

Finding the Fourth Proportional to 27,555.18, 38,026.71 and 14,980.74

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Solution

The fourth proportional to 27,555.18, 38,026.71 and 14,980.74 is: 20,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.18 : 38,026.71 = 14,980.74 : x
  2. Step 2: Convert to fraction form
    27,555.18/38,026.71 = 14,980.74/x
  3. Step 3: Cross multiply
    27,555.18x = 38,026.71 × 14,980.74
  4. Step 4: Simplify right side
    27,555.18x = 569,668,255.57
  5. Step 5: Solve for x
    x = 569,668,255.57/27,555.18
  6. Step 6: Final answer
    x = 20,673.73

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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.