Home / 23,385.71-32,272.26-12,630.57

Finding the Fourth Proportional to 23,385.71, 32,272.26 and 12,630.57

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Solution

The fourth proportional to 23,385.71, 32,272.26 and 12,630.57 is: 17,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,385.71 : 32,272.26 = 12,630.57 : x
  2. Step 2: Convert to fraction form
    23,385.71/32,272.26 = 12,630.57/x
  3. Step 3: Cross multiply
    23,385.71x = 32,272.26 × 12,630.57
  4. Step 4: Simplify right side
    23,385.71x = 407,617,038.99
  5. Step 5: Solve for x
    x = 407,617,038.99/23,385.71
  6. Step 6: Final answer
    x = 17,430.18

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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.