Home / 14,828.39-20,479.98-10,104.47

Finding the Fourth Proportional to 14,828.39, 20,479.98 and 10,104.47

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Solution

The fourth proportional to 14,828.39, 20,479.98 and 10,104.47 is: 13,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,828.39 : 20,479.98 = 10,104.47 : x
  2. Step 2: Convert to fraction form
    14,828.39/20,479.98 = 10,104.47/x
  3. Step 3: Cross multiply
    14,828.39x = 20,479.98 × 10,104.47
  4. Step 4: Simplify right side
    14,828.39x = 206,939,343.51
  5. Step 5: Solve for x
    x = 206,939,343.51/14,828.39
  6. Step 6: Final answer
    x = 13,955.62

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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.