Home / 14,741.60-20,308.81-10,257.64

Finding the Fourth Proportional to 14,741.60, 20,308.81 and 10,257.64

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Solution

The fourth proportional to 14,741.60, 20,308.81 and 10,257.64 is: 14,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.60 : 20,308.81 = 10,257.64 : x
  2. Step 2: Convert to fraction form
    14,741.60/20,308.81 = 10,257.64/x
  3. Step 3: Cross multiply
    14,741.60x = 20,308.81 × 10,257.64
  4. Step 4: Simplify right side
    14,741.60x = 208,320,461.81
  5. Step 5: Solve for x
    x = 208,320,461.81/14,741.60
  6. Step 6: Final answer
    x = 14,131.47

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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.