Home / 20,036.58-27,656.25-14,069.70

Finding the Fourth Proportional to 20,036.58, 27,656.25 and 14,069.70

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Solution

The fourth proportional to 20,036.58, 27,656.25 and 14,069.70 is: 19,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.58 : 27,656.25 = 14,069.70 : x
  2. Step 2: Convert to fraction form
    20,036.58/27,656.25 = 14,069.70/x
  3. Step 3: Cross multiply
    20,036.58x = 27,656.25 × 14,069.70
  4. Step 4: Simplify right side
    20,036.58x = 389,115,140.63
  5. Step 5: Solve for x
    x = 389,115,140.63/20,036.58
  6. Step 6: Final answer
    x = 19,420.24

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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.