Home / 14,943.74-20,614.61-12,114.32

Finding the Fourth Proportional to 14,943.74, 20,614.61 and 12,114.32

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Solution

The fourth proportional to 14,943.74, 20,614.61 and 12,114.32 is: 16,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.74 : 20,614.61 = 12,114.32 : x
  2. Step 2: Convert to fraction form
    14,943.74/20,614.61 = 12,114.32/x
  3. Step 3: Cross multiply
    14,943.74x = 20,614.61 × 12,114.32
  4. Step 4: Simplify right side
    14,943.74x = 249,731,818.57
  5. Step 5: Solve for x
    x = 249,731,818.57/14,943.74
  6. Step 6: Final answer
    x = 16,711.47

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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.