Home / 28,749.60-43,124.40-14,704.20

Finding the Fourth Proportional to 28,749.60, 43,124.40 and 14,704.20

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Solution

The fourth proportional to 28,749.60, 43,124.40 and 14,704.20 is: 22,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.60 : 43,124.40 = 14,704.20 : x
  2. Step 2: Convert to fraction form
    28,749.60/43,124.40 = 14,704.20/x
  3. Step 3: Cross multiply
    28,749.60x = 43,124.40 × 14,704.20
  4. Step 4: Simplify right side
    28,749.60x = 634,109,802.48
  5. Step 5: Solve for x
    x = 634,109,802.48/28,749.60
  6. Step 6: Final answer
    x = 22,056.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.