Home / 19,158.64-26,430.24-13,845.04

Finding the Fourth Proportional to 19,158.64, 26,430.24 and 13,845.04

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Solution

The fourth proportional to 19,158.64, 26,430.24 and 13,845.04 is: 19,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.64 : 26,430.24 = 13,845.04 : x
  2. Step 2: Convert to fraction form
    19,158.64/26,430.24 = 13,845.04/x
  3. Step 3: Cross multiply
    19,158.64x = 26,430.24 × 13,845.04
  4. Step 4: Simplify right side
    19,158.64x = 365,927,730.01
  5. Step 5: Solve for x
    x = 365,927,730.01/19,158.64
  6. Step 6: Final answer
    x = 19,099.88

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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.