Home / 18,276.98-25,223.40-10,316.30

Finding the Fourth Proportional to 18,276.98, 25,223.40 and 10,316.30

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Solution

The fourth proportional to 18,276.98, 25,223.40 and 10,316.30 is: 14,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.98 : 25,223.40 = 10,316.30 : x
  2. Step 2: Convert to fraction form
    18,276.98/25,223.40 = 10,316.30/x
  3. Step 3: Cross multiply
    18,276.98x = 25,223.40 × 10,316.30
  4. Step 4: Simplify right side
    18,276.98x = 260,212,161.42
  5. Step 5: Solve for x
    x = 260,212,161.42/18,276.98
  6. Step 6: Final answer
    x = 14,237.15

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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.