Home / 20,037.58-27,657.63-14,070.70

Finding the Fourth Proportional to 20,037.58, 27,657.63 and 14,070.70

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Solution

The fourth proportional to 20,037.58, 27,657.63 and 14,070.70 is: 19,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.58 : 27,657.63 = 14,070.70 : x
  2. Step 2: Convert to fraction form
    20,037.58/27,657.63 = 14,070.70/x
  3. Step 3: Cross multiply
    20,037.58x = 27,657.63 × 14,070.70
  4. Step 4: Simplify right side
    20,037.58x = 389,162,214.44
  5. Step 5: Solve for x
    x = 389,162,214.44/20,037.58
  6. Step 6: Final answer
    x = 19,421.62

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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.