Home / 25,645.95-35,391.31-14,315.34

Finding the Fourth Proportional to 25,645.95, 35,391.31 and 14,315.34

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Solution

The fourth proportional to 25,645.95, 35,391.31 and 14,315.34 is: 19,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.95 : 35,391.31 = 14,315.34 : x
  2. Step 2: Convert to fraction form
    25,645.95/35,391.31 = 14,315.34/x
  3. Step 3: Cross multiply
    25,645.95x = 35,391.31 × 14,315.34
  4. Step 4: Simplify right side
    25,645.95x = 506,638,786.31
  5. Step 5: Solve for x
    x = 506,638,786.31/25,645.95
  6. Step 6: Final answer
    x = 19,755.12

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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.