Home / 23,710.24-32,721.08-13,638.67

Finding the Fourth Proportional to 23,710.24, 32,721.08 and 13,638.67

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Solution

The fourth proportional to 23,710.24, 32,721.08 and 13,638.67 is: 18,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,710.24 : 32,721.08 = 13,638.67 : x
  2. Step 2: Convert to fraction form
    23,710.24/32,721.08 = 13,638.67/x
  3. Step 3: Cross multiply
    23,710.24x = 32,721.08 × 13,638.67
  4. Step 4: Simplify right side
    23,710.24x = 446,271,943.97
  5. Step 5: Solve for x
    x = 446,271,943.97/23,710.24
  6. Step 6: Final answer
    x = 18,821.91

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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.