Home / 25,113.35-34,656.86-13,783.91

Finding the Fourth Proportional to 25,113.35, 34,656.86 and 13,783.91

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Solution

The fourth proportional to 25,113.35, 34,656.86 and 13,783.91 is: 19,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,113.35 : 34,656.86 = 13,783.91 : x
  2. Step 2: Convert to fraction form
    25,113.35/34,656.86 = 13,783.91/x
  3. Step 3: Cross multiply
    25,113.35x = 34,656.86 × 13,783.91
  4. Step 4: Simplify right side
    25,113.35x = 477,706,890.88
  5. Step 5: Solve for x
    x = 477,706,890.88/25,113.35
  6. Step 6: Final answer
    x = 19,022.03

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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.