Home / 13,074.08-18,041.64-7,409.06

Finding the Fourth Proportional to 13,074.08, 18,041.64 and 7,409.06

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Solution

The fourth proportional to 13,074.08, 18,041.64 and 7,409.06 is: 10,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.08 : 18,041.64 = 7,409.06 : x
  2. Step 2: Convert to fraction form
    13,074.08/18,041.64 = 7,409.06/x
  3. Step 3: Cross multiply
    13,074.08x = 18,041.64 × 7,409.06
  4. Step 4: Simplify right side
    13,074.08x = 133,671,593.26
  5. Step 5: Solve for x
    x = 133,671,593.26/13,074.08
  6. Step 6: Final answer
    x = 10,224.17

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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.