Home / 14,124.03-19,491.15-7,836.40

Finding the Fourth Proportional to 14,124.03, 19,491.15 and 7,836.40

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Solution

The fourth proportional to 14,124.03, 19,491.15 and 7,836.40 is: 10,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.03 : 19,491.15 = 7,836.40 : x
  2. Step 2: Convert to fraction form
    14,124.03/19,491.15 = 7,836.40/x
  3. Step 3: Cross multiply
    14,124.03x = 19,491.15 × 7,836.40
  4. Step 4: Simplify right side
    14,124.03x = 152,740,447.86
  5. Step 5: Solve for x
    x = 152,740,447.86/14,124.03
  6. Step 6: Final answer
    x = 10,814.23

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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.