Home / 13,038.08-19,558.33-4,720.19

Finding the Fourth Proportional to 13,038.08, 19,558.33 and 4,720.19

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Solution

The fourth proportional to 13,038.08, 19,558.33 and 4,720.19 is: 7,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.08 : 19,558.33 = 4,720.19 : x
  2. Step 2: Convert to fraction form
    13,038.08/19,558.33 = 4,720.19/x
  3. Step 3: Cross multiply
    13,038.08x = 19,558.33 × 4,720.19
  4. Step 4: Simplify right side
    13,038.08x = 92,318,924.09
  5. Step 5: Solve for x
    x = 92,318,924.09/13,038.08
  6. Step 6: Final answer
    x = 7,080.72

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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.