Home / 14,445.32-19,923.48-9,976.55

Finding the Fourth Proportional to 14,445.32, 19,923.48 and 9,976.55

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Solution

The fourth proportional to 14,445.32, 19,923.48 and 9,976.55 is: 13,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.32 : 19,923.48 = 9,976.55 : x
  2. Step 2: Convert to fraction form
    14,445.32/19,923.48 = 9,976.55/x
  3. Step 3: Cross multiply
    14,445.32x = 19,923.48 × 9,976.55
  4. Step 4: Simplify right side
    14,445.32x = 198,767,494.78
  5. Step 5: Solve for x
    x = 198,767,494.78/14,445.32
  6. Step 6: Final answer
    x = 13,760.00

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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.