Home / 23,438.95-32,345.55-12,828.55

Finding the Fourth Proportional to 23,438.95, 32,345.55 and 12,828.55

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Solution

The fourth proportional to 23,438.95, 32,345.55 and 12,828.55 is: 17,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.95 : 32,345.55 = 12,828.55 : x
  2. Step 2: Convert to fraction form
    23,438.95/32,345.55 = 12,828.55/x
  3. Step 3: Cross multiply
    23,438.95x = 32,345.55 × 12,828.55
  4. Step 4: Simplify right side
    23,438.95x = 414,946,505.45
  5. Step 5: Solve for x
    x = 414,946,505.45/23,438.95
  6. Step 6: Final answer
    x = 17,703.29

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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.