Home / 18,627.90-25,707.96-10,672.08

Finding the Fourth Proportional to 18,627.90, 25,707.96 and 10,672.08

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Solution

The fourth proportional to 18,627.90, 25,707.96 and 10,672.08 is: 14,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.90 : 25,707.96 = 10,672.08 : x
  2. Step 2: Convert to fraction form
    18,627.90/25,707.96 = 10,672.08/x
  3. Step 3: Cross multiply
    18,627.90x = 25,707.96 × 10,672.08
  4. Step 4: Simplify right side
    18,627.90x = 274,357,405.76
  5. Step 5: Solve for x
    x = 274,357,405.76/18,627.90
  6. Step 6: Final answer
    x = 14,728.31

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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.