Home / 13,854.17-19,114.04-8,479.10

Finding the Fourth Proportional to 13,854.17, 19,114.04 and 8,479.10

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Solution

The fourth proportional to 13,854.17, 19,114.04 and 8,479.10 is: 11,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.17 : 19,114.04 = 8,479.10 : x
  2. Step 2: Convert to fraction form
    13,854.17/19,114.04 = 8,479.10/x
  3. Step 3: Cross multiply
    13,854.17x = 19,114.04 × 8,479.10
  4. Step 4: Simplify right side
    13,854.17x = 162,069,925.55
  5. Step 5: Solve for x
    x = 162,069,925.55/13,854.17
  6. Step 6: Final answer
    x = 11,698.28

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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.