Home / 14,711.71-20,282.65-12,184.51

Finding the Fourth Proportional to 14,711.71, 20,282.65 and 12,184.51

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Solution

The fourth proportional to 14,711.71, 20,282.65 and 12,184.51 is: 16,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.71 : 20,282.65 = 12,184.51 : x
  2. Step 2: Convert to fraction form
    14,711.71/20,282.65 = 12,184.51/x
  3. Step 3: Cross multiply
    14,711.71x = 20,282.65 × 12,184.51
  4. Step 4: Simplify right side
    14,711.71x = 247,134,151.75
  5. Step 5: Solve for x
    x = 247,134,151.75/14,711.71
  6. Step 6: Final answer
    x = 16,798.47

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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.