Home / 14,926.28-20,488.34-13,210.29

Finding the Fourth Proportional to 14,926.28, 20,488.34 and 13,210.29

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Solution

The fourth proportional to 14,926.28, 20,488.34 and 13,210.29 is: 18,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,926.28 : 20,488.34 = 13,210.29 : x
  2. Step 2: Convert to fraction form
    14,926.28/20,488.34 = 13,210.29/x
  3. Step 3: Cross multiply
    14,926.28x = 20,488.34 × 13,210.29
  4. Step 4: Simplify right side
    14,926.28x = 270,656,946.04
  5. Step 5: Solve for x
    x = 270,656,946.04/14,926.28
  6. Step 6: Final answer
    x = 18,132.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.