Home / 23,688.23-32,693.96-14,128.70

Finding the Fourth Proportional to 23,688.23, 32,693.96 and 14,128.70

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Solution

The fourth proportional to 23,688.23, 32,693.96 and 14,128.70 is: 19,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,688.23 : 32,693.96 = 14,128.70 : x
  2. Step 2: Convert to fraction form
    23,688.23/32,693.96 = 14,128.70/x
  3. Step 3: Cross multiply
    23,688.23x = 32,693.96 × 14,128.70
  4. Step 4: Simplify right side
    23,688.23x = 461,923,152.65
  5. Step 5: Solve for x
    x = 461,923,152.65/23,688.23
  6. Step 6: Final answer
    x = 19,500.11

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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.