Home / 18,946.66-28,444.59-14,567.19

Finding the Fourth Proportional to 18,946.66, 28,444.59 and 14,567.19

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Solution

The fourth proportional to 18,946.66, 28,444.59 and 14,567.19 is: 21,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.66 : 28,444.59 = 14,567.19 : x
  2. Step 2: Convert to fraction form
    18,946.66/28,444.59 = 14,567.19/x
  3. Step 3: Cross multiply
    18,946.66x = 28,444.59 × 14,567.19
  4. Step 4: Simplify right side
    18,946.66x = 414,357,531.94
  5. Step 5: Solve for x
    x = 414,357,531.94/18,946.66
  6. Step 6: Final answer
    x = 21,869.69

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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.