Home / 25,655.66-35,419.50-19,558.02

Finding the Fourth Proportional to 25,655.66, 35,419.50 and 19,558.02

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Solution

The fourth proportional to 25,655.66, 35,419.50 and 19,558.02 is: 27,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.66 : 35,419.50 = 19,558.02 : x
  2. Step 2: Convert to fraction form
    25,655.66/35,419.50 = 19,558.02/x
  3. Step 3: Cross multiply
    25,655.66x = 35,419.50 × 19,558.02
  4. Step 4: Simplify right side
    25,655.66x = 692,735,289.39
  5. Step 5: Solve for x
    x = 692,735,289.39/25,655.66
  6. Step 6: Final answer
    x = 27,001.27

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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.