Home / 19,213.12-26,533.04-13,260.16

Finding the Fourth Proportional to 19,213.12, 26,533.04 and 13,260.16

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Solution

The fourth proportional to 19,213.12, 26,533.04 and 13,260.16 is: 18,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.12 : 26,533.04 = 13,260.16 : x
  2. Step 2: Convert to fraction form
    19,213.12/26,533.04 = 13,260.16/x
  3. Step 3: Cross multiply
    19,213.12x = 26,533.04 × 13,260.16
  4. Step 4: Simplify right side
    19,213.12x = 351,832,355.69
  5. Step 5: Solve for x
    x = 351,832,355.69/19,213.12
  6. Step 6: Final answer
    x = 18,312.09

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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.