Home / 25,106.88-34,646.32-13,776.12

Finding the Fourth Proportional to 25,106.88, 34,646.32 and 13,776.12

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Solution

The fourth proportional to 25,106.88, 34,646.32 and 13,776.12 is: 19,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.88 : 34,646.32 = 13,776.12 : x
  2. Step 2: Convert to fraction form
    25,106.88/34,646.32 = 13,776.12/x
  3. Step 3: Cross multiply
    25,106.88x = 34,646.32 × 13,776.12
  4. Step 4: Simplify right side
    25,106.88x = 477,291,861.88
  5. Step 5: Solve for x
    x = 477,291,861.88/25,106.88
  6. Step 6: Final answer
    x = 19,010.40

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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.