Home / 14,229.04-19,635.06-7,854.36

Finding the Fourth Proportional to 14,229.04, 19,635.06 and 7,854.36

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Solution

The fourth proportional to 14,229.04, 19,635.06 and 7,854.36 is: 10,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.04 : 19,635.06 = 7,854.36 : x
  2. Step 2: Convert to fraction form
    14,229.04/19,635.06 = 7,854.36/x
  3. Step 3: Cross multiply
    14,229.04x = 19,635.06 × 7,854.36
  4. Step 4: Simplify right side
    14,229.04x = 154,220,829.86
  5. Step 5: Solve for x
    x = 154,220,829.86/14,229.04
  6. Step 6: Final answer
    x = 10,838.46

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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.