Home / 14,445.59-19,923.94-12,432.35

Finding the Fourth Proportional to 14,445.59, 19,923.94 and 12,432.35

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Solution

The fourth proportional to 14,445.59, 19,923.94 and 12,432.35 is: 17,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.59 : 19,923.94 = 12,432.35 : x
  2. Step 2: Convert to fraction form
    14,445.59/19,923.94 = 12,432.35/x
  3. Step 3: Cross multiply
    14,445.59x = 19,923.94 × 12,432.35
  4. Step 4: Simplify right side
    14,445.59x = 247,701,460.81
  5. Step 5: Solve for x
    x = 247,701,460.81/14,445.59
  6. Step 6: Final answer
    x = 17,147.20

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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.