Home / 18,748.68-25,872.96-10,365

Finding the Fourth Proportional to 18,748.68, 25,872.96 and 10,365

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Solution

The fourth proportional to 18,748.68, 25,872.96 and 10,365 is: 14,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.68 : 25,872.96 = 10,365 : x
  2. Step 2: Convert to fraction form
    18,748.68/25,872.96 = 10,365/x
  3. Step 3: Cross multiply
    18,748.68x = 25,872.96 × 10,365
  4. Step 4: Simplify right side
    18,748.68x = 268,173,230.40
  5. Step 5: Solve for x
    x = 268,173,230.40/18,748.68
  6. Step 6: Final answer
    x = 14,303.58

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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.