Home / 14,789.19-20,412.33-9,410.52

Finding the Fourth Proportional to 14,789.19, 20,412.33 and 9,410.52

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Solution

The fourth proportional to 14,789.19, 20,412.33 and 9,410.52 is: 12,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.19 : 20,412.33 = 9,410.52 : x
  2. Step 2: Convert to fraction form
    14,789.19/20,412.33 = 9,410.52/x
  3. Step 3: Cross multiply
    14,789.19x = 20,412.33 × 9,410.52
  4. Step 4: Simplify right side
    14,789.19x = 192,090,639.71
  5. Step 5: Solve for x
    x = 192,090,639.71/14,789.19
  6. Step 6: Final answer
    x = 12,988.58

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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.