Home / 18,276.76-25,222.35-10,319.05

Finding the Fourth Proportional to 18,276.76, 25,222.35 and 10,319.05

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Solution

The fourth proportional to 18,276.76, 25,222.35 and 10,319.05 is: 14,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.76 : 25,222.35 = 10,319.05 : x
  2. Step 2: Convert to fraction form
    18,276.76/25,222.35 = 10,319.05/x
  3. Step 3: Cross multiply
    18,276.76x = 25,222.35 × 10,319.05
  4. Step 4: Simplify right side
    18,276.76x = 260,270,690.77
  5. Step 5: Solve for x
    x = 260,270,690.77/18,276.76
  6. Step 6: Final answer
    x = 14,240.53

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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.