Home / 13,002.66-19,514.93-5,612.63

Finding the Fourth Proportional to 13,002.66, 19,514.93 and 5,612.63

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Solution

The fourth proportional to 13,002.66, 19,514.93 and 5,612.63 is: 8,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002.66 : 19,514.93 = 5,612.63 : x
  2. Step 2: Convert to fraction form
    13,002.66/19,514.93 = 5,612.63/x
  3. Step 3: Cross multiply
    13,002.66x = 19,514.93 × 5,612.63
  4. Step 4: Simplify right side
    13,002.66x = 109,529,955.93
  5. Step 5: Solve for x
    x = 109,529,955.93/13,002.66
  6. Step 6: Final answer
    x = 8,423.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.