Home / 25,368.78-35,008.56-14,190.78

Finding the Fourth Proportional to 25,368.78, 35,008.56 and 14,190.78

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Solution

The fourth proportional to 25,368.78, 35,008.56 and 14,190.78 is: 19,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.78 : 35,008.56 = 14,190.78 : x
  2. Step 2: Convert to fraction form
    25,368.78/35,008.56 = 14,190.78/x
  3. Step 3: Cross multiply
    25,368.78x = 35,008.56 × 14,190.78
  4. Step 4: Simplify right side
    25,368.78x = 496,798,773.08
  5. Step 5: Solve for x
    x = 496,798,773.08/25,368.78
  6. Step 6: Final answer
    x = 19,583.08

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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.