Home / 14,167.19-21,210.68-11,776.07

Finding the Fourth Proportional to 14,167.19, 21,210.68 and 11,776.07

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Solution

The fourth proportional to 14,167.19, 21,210.68 and 11,776.07 is: 17,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.19 : 21,210.68 = 11,776.07 : x
  2. Step 2: Convert to fraction form
    14,167.19/21,210.68 = 11,776.07/x
  3. Step 3: Cross multiply
    14,167.19x = 21,210.68 × 11,776.07
  4. Step 4: Simplify right side
    14,167.19x = 249,778,287.49
  5. Step 5: Solve for x
    x = 249,778,287.49/14,167.19
  6. Step 6: Final answer
    x = 17,630.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.