Home / 25,518.30-35,211.15-14,187.63

Finding the Fourth Proportional to 25,518.30, 35,211.15 and 14,187.63

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Solution

The fourth proportional to 25,518.30, 35,211.15 and 14,187.63 is: 19,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.30 : 35,211.15 = 14,187.63 : x
  2. Step 2: Convert to fraction form
    25,518.30/35,211.15 = 14,187.63/x
  3. Step 3: Cross multiply
    25,518.30x = 35,211.15 × 14,187.63
  4. Step 4: Simplify right side
    25,518.30x = 499,562,768.07
  5. Step 5: Solve for x
    x = 499,562,768.07/25,518.30
  6. Step 6: Final answer
    x = 19,576.65

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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.