Home / 25,739.90-35,484.64-19,367.53

Finding the Fourth Proportional to 25,739.90, 35,484.64 and 19,367.53

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Solution

The fourth proportional to 25,739.90, 35,484.64 and 19,367.53 is: 26,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.90 : 35,484.64 = 19,367.53 : x
  2. Step 2: Convert to fraction form
    25,739.90/35,484.64 = 19,367.53/x
  3. Step 3: Cross multiply
    25,739.90x = 35,484.64 × 19,367.53
  4. Step 4: Simplify right side
    25,739.90x = 687,249,829.74
  5. Step 5: Solve for x
    x = 687,249,829.74/25,739.90
  6. Step 6: Final answer
    x = 26,699.79

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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.