Home / 25,107.36-34,646.79-13,776.65

Finding the Fourth Proportional to 25,107.36, 34,646.79 and 13,776.65

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Solution

The fourth proportional to 25,107.36, 34,646.79 and 13,776.65 is: 19,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.36 : 34,646.79 = 13,776.65 : x
  2. Step 2: Convert to fraction form
    25,107.36/34,646.79 = 13,776.65/x
  3. Step 3: Cross multiply
    25,107.36x = 34,646.79 × 13,776.65
  4. Step 4: Simplify right side
    25,107.36x = 477,316,699.45
  5. Step 5: Solve for x
    x = 477,316,699.45/25,107.36
  6. Step 6: Final answer
    x = 19,011.03

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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.