Home / 23,887.71-32,979.96-15,394.05

Finding the Fourth Proportional to 23,887.71, 32,979.96 and 15,394.05

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Solution

The fourth proportional to 23,887.71, 32,979.96 and 15,394.05 is: 21,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,887.71 : 32,979.96 = 15,394.05 : x
  2. Step 2: Convert to fraction form
    23,887.71/32,979.96 = 15,394.05/x
  3. Step 3: Cross multiply
    23,887.71x = 32,979.96 × 15,394.05
  4. Step 4: Simplify right side
    23,887.71x = 507,695,153.24
  5. Step 5: Solve for x
    x = 507,695,153.24/23,887.71
  6. Step 6: Final answer
    x = 21,253.40

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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.