Home / 14,973.42-20,685.87-12,758.07

Finding the Fourth Proportional to 14,973.42, 20,685.87 and 12,758.07

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Solution

The fourth proportional to 14,973.42, 20,685.87 and 12,758.07 is: 17,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.42 : 20,685.87 = 12,758.07 : x
  2. Step 2: Convert to fraction form
    14,973.42/20,685.87 = 12,758.07/x
  3. Step 3: Cross multiply
    14,973.42x = 20,685.87 × 12,758.07
  4. Step 4: Simplify right side
    14,973.42x = 263,911,777.47
  5. Step 5: Solve for x
    x = 263,911,777.47/14,973.42
  6. Step 6: Final answer
    x = 17,625.35

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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.