Home / 18,302.04-25,228.86-11,215.32

Finding the Fourth Proportional to 18,302.04, 25,228.86 and 11,215.32

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Solution

The fourth proportional to 18,302.04, 25,228.86 and 11,215.32 is: 15,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.04 : 25,228.86 = 11,215.32 : x
  2. Step 2: Convert to fraction form
    18,302.04/25,228.86 = 11,215.32/x
  3. Step 3: Cross multiply
    18,302.04x = 25,228.86 × 11,215.32
  4. Step 4: Simplify right side
    18,302.04x = 282,949,738.14
  5. Step 5: Solve for x
    x = 282,949,738.14/18,302.04
  6. Step 6: Final answer
    x = 15,460.01

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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.