Home / 23,415.65-32,313.62-13,206.81

Finding the Fourth Proportional to 23,415.65, 32,313.62 and 13,206.81

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Solution

The fourth proportional to 23,415.65, 32,313.62 and 13,206.81 is: 18,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.65 : 32,313.62 = 13,206.81 : x
  2. Step 2: Convert to fraction form
    23,415.65/32,313.62 = 13,206.81/x
  3. Step 3: Cross multiply
    23,415.65x = 32,313.62 × 13,206.81
  4. Step 4: Simplify right side
    23,415.65x = 426,759,872.77
  5. Step 5: Solve for x
    x = 426,759,872.77/23,415.65
  6. Step 6: Final answer
    x = 18,225.42

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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.