Home / 18,468.12-25,488.93-11,746.74

Finding the Fourth Proportional to 18,468.12, 25,488.93 and 11,746.74

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Solution

The fourth proportional to 18,468.12, 25,488.93 and 11,746.74 is: 16,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.12 : 25,488.93 = 11,746.74 : x
  2. Step 2: Convert to fraction form
    18,468.12/25,488.93 = 11,746.74/x
  3. Step 3: Cross multiply
    18,468.12x = 25,488.93 × 11,746.74
  4. Step 4: Simplify right side
    18,468.12x = 299,411,833.59
  5. Step 5: Solve for x
    x = 299,411,833.59/18,468.12
  6. Step 6: Final answer
    x = 16,212.36

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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.