Home / 14,114.66-19,467.95-8,812.40

Finding the Fourth Proportional to 14,114.66, 19,467.95 and 8,812.40

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Solution

The fourth proportional to 14,114.66, 19,467.95 and 8,812.40 is: 12,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.66 : 19,467.95 = 8,812.40 : x
  2. Step 2: Convert to fraction form
    14,114.66/19,467.95 = 8,812.40/x
  3. Step 3: Cross multiply
    14,114.66x = 19,467.95 × 8,812.40
  4. Step 4: Simplify right side
    14,114.66x = 171,559,221.18
  5. Step 5: Solve for x
    x = 171,559,221.18/14,114.66
  6. Step 6: Final answer
    x = 12,154.69

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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.