Home / 25,011.90-34,519.40-14,403.60

Finding the Fourth Proportional to 25,011.90, 34,519.40 and 14,403.60

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Solution

The fourth proportional to 25,011.90, 34,519.40 and 14,403.60 is: 19,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,011.90 : 34,519.40 = 14,403.60 : x
  2. Step 2: Convert to fraction form
    25,011.90/34,519.40 = 14,403.60/x
  3. Step 3: Cross multiply
    25,011.90x = 34,519.40 × 14,403.60
  4. Step 4: Simplify right side
    25,011.90x = 497,203,629.84
  5. Step 5: Solve for x
    x = 497,203,629.84/25,011.90
  6. Step 6: Final answer
    x = 19,878.68

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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.