Home / 19,245.60-26,535.60-14,774.40

Finding the Fourth Proportional to 19,245.60, 26,535.60 and 14,774.40

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Solution

The fourth proportional to 19,245.60, 26,535.60 and 14,774.40 is: 20,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.60 : 26,535.60 = 14,774.40 : x
  2. Step 2: Convert to fraction form
    19,245.60/26,535.60 = 14,774.40/x
  3. Step 3: Cross multiply
    19,245.60x = 26,535.60 × 14,774.40
  4. Step 4: Simplify right side
    19,245.60x = 392,047,568.64
  5. Step 5: Solve for x
    x = 392,047,568.64/19,245.60
  6. Step 6: Final answer
    x = 20,370.76

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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.