Home / 23,515.08-32,450.81-12,904.71

Finding the Fourth Proportional to 23,515.08, 32,450.81 and 12,904.71

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Solution

The fourth proportional to 23,515.08, 32,450.81 and 12,904.71 is: 17,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.08 : 32,450.81 = 12,904.71 : x
  2. Step 2: Convert to fraction form
    23,515.08/32,450.81 = 12,904.71/x
  3. Step 3: Cross multiply
    23,515.08x = 32,450.81 × 12,904.71
  4. Step 4: Simplify right side
    23,515.08x = 418,768,276.18
  5. Step 5: Solve for x
    x = 418,768,276.18/23,515.08
  6. Step 6: Final answer
    x = 17,808.50

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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.