Home / 25,646.40-35,393.80-14,318.12

Finding the Fourth Proportional to 25,646.40, 35,393.80 and 14,318.12

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Solution

The fourth proportional to 25,646.40, 35,393.80 and 14,318.12 is: 19,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.40 : 35,393.80 = 14,318.12 : x
  2. Step 2: Convert to fraction form
    25,646.40/35,393.80 = 14,318.12/x
  3. Step 3: Cross multiply
    25,646.40x = 35,393.80 × 14,318.12
  4. Step 4: Simplify right side
    25,646.40x = 506,772,675.66
  5. Step 5: Solve for x
    x = 506,772,675.66/25,646.40
  6. Step 6: Final answer
    x = 19,759.99

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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.