Home / 14,329.85-19,776.35-7,957.07

Finding the Fourth Proportional to 14,329.85, 19,776.35 and 7,957.07

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Solution

The fourth proportional to 14,329.85, 19,776.35 and 7,957.07 is: 10,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.85 : 19,776.35 = 7,957.07 : x
  2. Step 2: Convert to fraction form
    14,329.85/19,776.35 = 7,957.07/x
  3. Step 3: Cross multiply
    14,329.85x = 19,776.35 × 7,957.07
  4. Step 4: Simplify right side
    14,329.85x = 157,361,796.47
  5. Step 5: Solve for x
    x = 157,361,796.47/14,329.85
  6. Step 6: Final answer
    x = 10,981.40

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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.