Home / 14,953.32-20,486.15-14,392.80

Finding the Fourth Proportional to 14,953.32, 20,486.15 and 14,392.80

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Solution

The fourth proportional to 14,953.32, 20,486.15 and 14,392.80 is: 19,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.32 : 20,486.15 = 14,392.80 : x
  2. Step 2: Convert to fraction form
    14,953.32/20,486.15 = 14,392.80/x
  3. Step 3: Cross multiply
    14,953.32x = 20,486.15 × 14,392.80
  4. Step 4: Simplify right side
    14,953.32x = 294,852,987.76
  5. Step 5: Solve for x
    x = 294,852,987.76/14,953.32
  6. Step 6: Final answer
    x = 19,718.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.