Home / 18,577.68-25,638.48-10,622.40

Finding the Fourth Proportional to 18,577.68, 25,638.48 and 10,622.40

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Solution

The fourth proportional to 18,577.68, 25,638.48 and 10,622.40 is: 14,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.68 : 25,638.48 = 10,622.40 : x
  2. Step 2: Convert to fraction form
    18,577.68/25,638.48 = 10,622.40/x
  3. Step 3: Cross multiply
    18,577.68x = 25,638.48 × 10,622.40
  4. Step 4: Simplify right side
    18,577.68x = 272,342,189.95
  5. Step 5: Solve for x
    x = 272,342,189.95/18,577.68
  6. Step 6: Final answer
    x = 14,659.64

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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.