Home / 15,485.70-23,228.61-4,392.06

Finding the Fourth Proportional to 15,485.70, 23,228.61 and 4,392.06

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Solution

The fourth proportional to 15,485.70, 23,228.61 and 4,392.06 is: 6,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.70 : 23,228.61 = 4,392.06 : x
  2. Step 2: Convert to fraction form
    15,485.70/23,228.61 = 4,392.06/x
  3. Step 3: Cross multiply
    15,485.70x = 23,228.61 × 4,392.06
  4. Step 4: Simplify right side
    15,485.70x = 102,021,448.84
  5. Step 5: Solve for x
    x = 102,021,448.84/15,485.70
  6. Step 6: Final answer
    x = 6,588.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.