Home / 25,140.59-34,694.31-13,810.35

Finding the Fourth Proportional to 25,140.59, 34,694.31 and 13,810.35

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Solution

The fourth proportional to 25,140.59, 34,694.31 and 13,810.35 is: 19,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.59 : 34,694.31 = 13,810.35 : x
  2. Step 2: Convert to fraction form
    25,140.59/34,694.31 = 13,810.35/x
  3. Step 3: Cross multiply
    25,140.59x = 34,694.31 × 13,810.35
  4. Step 4: Simplify right side
    25,140.59x = 479,140,564.11
  5. Step 5: Solve for x
    x = 479,140,564.11/25,140.59
  6. Step 6: Final answer
    x = 19,058.45

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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.