Home / 13,845.68-19,106.88-7,558.16

Finding the Fourth Proportional to 13,845.68, 19,106.88 and 7,558.16

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Solution

The fourth proportional to 13,845.68, 19,106.88 and 7,558.16 is: 10,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.68 : 19,106.88 = 7,558.16 : x
  2. Step 2: Convert to fraction form
    13,845.68/19,106.88 = 7,558.16/x
  3. Step 3: Cross multiply
    13,845.68x = 19,106.88 × 7,558.16
  4. Step 4: Simplify right side
    13,845.68x = 144,412,856.14
  5. Step 5: Solve for x
    x = 144,412,856.14/13,845.68
  6. Step 6: Final answer
    x = 10,430.17

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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.