Home / 23,438.13-32,344.67-12,828.45

Finding the Fourth Proportional to 23,438.13, 32,344.67 and 12,828.45

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Solution

The fourth proportional to 23,438.13, 32,344.67 and 12,828.45 is: 17,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.13 : 32,344.67 = 12,828.45 : x
  2. Step 2: Convert to fraction form
    23,438.13/32,344.67 = 12,828.45/x
  3. Step 3: Cross multiply
    23,438.13x = 32,344.67 × 12,828.45
  4. Step 4: Simplify right side
    23,438.13x = 414,931,981.86
  5. Step 5: Solve for x
    x = 414,931,981.86/23,438.13
  6. Step 6: Final answer
    x = 17,703.29

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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.