Home / 23,349.40-32,220.91-13,276.45

Finding the Fourth Proportional to 23,349.40, 32,220.91 and 13,276.45

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Solution

The fourth proportional to 23,349.40, 32,220.91 and 13,276.45 is: 18,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,349.40 : 32,220.91 = 13,276.45 : x
  2. Step 2: Convert to fraction form
    23,349.40/32,220.91 = 13,276.45/x
  3. Step 3: Cross multiply
    23,349.40x = 32,220.91 × 13,276.45
  4. Step 4: Simplify right side
    23,349.40x = 427,779,300.57
  5. Step 5: Solve for x
    x = 427,779,300.57/23,349.40
  6. Step 6: Final answer
    x = 18,320.78

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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.