Home / 14,699.42-20,225.13-12,703.58

Finding the Fourth Proportional to 14,699.42, 20,225.13 and 12,703.58

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Solution

The fourth proportional to 14,699.42, 20,225.13 and 12,703.58 is: 17,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.42 : 20,225.13 = 12,703.58 : x
  2. Step 2: Convert to fraction form
    14,699.42/20,225.13 = 12,703.58/x
  3. Step 3: Cross multiply
    14,699.42x = 20,225.13 × 12,703.58
  4. Step 4: Simplify right side
    14,699.42x = 256,931,556.97
  5. Step 5: Solve for x
    x = 256,931,556.97/14,699.42
  6. Step 6: Final answer
    x = 17,479.03

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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.