Home / 23,431.16-32,334.95-12,820.77

Finding the Fourth Proportional to 23,431.16, 32,334.95 and 12,820.77

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Solution

The fourth proportional to 23,431.16, 32,334.95 and 12,820.77 is: 17,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.16 : 32,334.95 = 12,820.77 : x
  2. Step 2: Convert to fraction form
    23,431.16/32,334.95 = 12,820.77/x
  3. Step 3: Cross multiply
    23,431.16x = 32,334.95 × 12,820.77
  4. Step 4: Simplify right side
    23,431.16x = 414,558,892.81
  5. Step 5: Solve for x
    x = 414,558,892.81/23,431.16
  6. Step 6: Final answer
    x = 17,692.64

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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.