Home / 23,402.64-32,291.88-13,331.28

Finding the Fourth Proportional to 23,402.64, 32,291.88 and 13,331.28

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Solution

The fourth proportional to 23,402.64, 32,291.88 and 13,331.28 is: 18,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,402.64 : 32,291.88 = 13,331.28 : x
  2. Step 2: Convert to fraction form
    23,402.64/32,291.88 = 13,331.28/x
  3. Step 3: Cross multiply
    23,402.64x = 32,291.88 × 13,331.28
  4. Step 4: Simplify right side
    23,402.64x = 430,492,165.11
  5. Step 5: Solve for x
    x = 430,492,165.11/23,402.64
  6. Step 6: Final answer
    x = 18,395.02

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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.