Home / 14,547.36-20,073.89-8,174.68

Finding the Fourth Proportional to 14,547.36, 20,073.89 and 8,174.68

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Solution

The fourth proportional to 14,547.36, 20,073.89 and 8,174.68 is: 11,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.36 : 20,073.89 = 8,174.68 : x
  2. Step 2: Convert to fraction form
    14,547.36/20,073.89 = 8,174.68/x
  3. Step 3: Cross multiply
    14,547.36x = 20,073.89 × 8,174.68
  4. Step 4: Simplify right side
    14,547.36x = 164,097,627.11
  5. Step 5: Solve for x
    x = 164,097,627.11/14,547.36
  6. Step 6: Final answer
    x = 11,280.23

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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.