Home / 15,363.88-23,051.49-12,429.52

Finding the Fourth Proportional to 15,363.88, 23,051.49 and 12,429.52

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Solution

The fourth proportional to 15,363.88, 23,051.49 and 12,429.52 is: 18,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.88 : 23,051.49 = 12,429.52 : x
  2. Step 2: Convert to fraction form
    15,363.88/23,051.49 = 12,429.52/x
  3. Step 3: Cross multiply
    15,363.88x = 23,051.49 × 12,429.52
  4. Step 4: Simplify right side
    15,363.88x = 286,518,955.98
  5. Step 5: Solve for x
    x = 286,518,955.98/15,363.88
  6. Step 6: Final answer
    x = 18,648.87

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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.