Home / 14,259.48-19,668.81-9,146.91

Finding the Fourth Proportional to 14,259.48, 19,668.81 and 9,146.91

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Solution

The fourth proportional to 14,259.48, 19,668.81 and 9,146.91 is: 12,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.48 : 19,668.81 = 9,146.91 : x
  2. Step 2: Convert to fraction form
    14,259.48/19,668.81 = 9,146.91/x
  3. Step 3: Cross multiply
    14,259.48x = 19,668.81 × 9,146.91
  4. Step 4: Simplify right side
    14,259.48x = 179,908,834.88
  5. Step 5: Solve for x
    x = 179,908,834.88/14,259.48
  6. Step 6: Final answer
    x = 12,616.79

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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.