Home / 25,675.12-35,430.55-14,344.57

Finding the Fourth Proportional to 25,675.12, 35,430.55 and 14,344.57

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Solution

The fourth proportional to 25,675.12, 35,430.55 and 14,344.57 is: 19,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.12 : 35,430.55 = 14,344.57 : x
  2. Step 2: Convert to fraction form
    25,675.12/35,430.55 = 14,344.57/x
  3. Step 3: Cross multiply
    25,675.12x = 35,430.55 × 14,344.57
  4. Step 4: Simplify right side
    25,675.12x = 508,236,004.61
  5. Step 5: Solve for x
    x = 508,236,004.61/25,675.12
  6. Step 6: Final answer
    x = 19,794.88

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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.