Home / 14,587.50-20,112.33-9,543.74

Finding the Fourth Proportional to 14,587.50, 20,112.33 and 9,543.74

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Solution

The fourth proportional to 14,587.50, 20,112.33 and 9,543.74 is: 13,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.50 : 20,112.33 = 9,543.74 : x
  2. Step 2: Convert to fraction form
    14,587.50/20,112.33 = 9,543.74/x
  3. Step 3: Cross multiply
    14,587.50x = 20,112.33 × 9,543.74
  4. Step 4: Simplify right side
    14,587.50x = 191,946,783.54
  5. Step 5: Solve for x
    x = 191,946,783.54/14,587.50
  6. Step 6: Final answer
    x = 13,158.30

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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.