Home / 14,217.74-19,629.60-12,723.06

Finding the Fourth Proportional to 14,217.74, 19,629.60 and 12,723.06

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Solution

The fourth proportional to 14,217.74, 19,629.60 and 12,723.06 is: 17,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.74 : 19,629.60 = 12,723.06 : x
  2. Step 2: Convert to fraction form
    14,217.74/19,629.60 = 12,723.06/x
  3. Step 3: Cross multiply
    14,217.74x = 19,629.60 × 12,723.06
  4. Step 4: Simplify right side
    14,217.74x = 249,748,578.58
  5. Step 5: Solve for x
    x = 249,748,578.58/14,217.74
  6. Step 6: Final answer
    x = 17,565.98

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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.