Home / 23,873.12-32,953.78-20,502.40

Finding the Fourth Proportional to 23,873.12, 32,953.78 and 20,502.40

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Solution

The fourth proportional to 23,873.12, 32,953.78 and 20,502.40 is: 28,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,873.12 : 32,953.78 = 20,502.40 : x
  2. Step 2: Convert to fraction form
    23,873.12/32,953.78 = 20,502.40/x
  3. Step 3: Cross multiply
    23,873.12x = 32,953.78 × 20,502.40
  4. Step 4: Simplify right side
    23,873.12x = 675,631,579.07
  5. Step 5: Solve for x
    x = 675,631,579.07/23,873.12
  6. Step 6: Final answer
    x = 28,300.93

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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.