Home / 27,555.60-38,025.67-14,980.35

Finding the Fourth Proportional to 27,555.60, 38,025.67 and 14,980.35

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Solution

The fourth proportional to 27,555.60, 38,025.67 and 14,980.35 is: 20,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.60 : 38,025.67 = 14,980.35 : x
  2. Step 2: Convert to fraction form
    27,555.60/38,025.67 = 14,980.35/x
  3. Step 3: Cross multiply
    27,555.60x = 38,025.67 × 14,980.35
  4. Step 4: Simplify right side
    27,555.60x = 569,637,845.58
  5. Step 5: Solve for x
    x = 569,637,845.58/27,555.60
  6. Step 6: Final answer
    x = 20,672.31

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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.