Home / 23,172.90-31,990.46-14,683.83

Finding the Fourth Proportional to 23,172.90, 31,990.46 and 14,683.83

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Solution

The fourth proportional to 23,172.90, 31,990.46 and 14,683.83 is: 20,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.90 : 31,990.46 = 14,683.83 : x
  2. Step 2: Convert to fraction form
    23,172.90/31,990.46 = 14,683.83/x
  3. Step 3: Cross multiply
    23,172.90x = 31,990.46 × 14,683.83
  4. Step 4: Simplify right side
    23,172.90x = 469,742,402.84
  5. Step 5: Solve for x
    x = 469,742,402.84/23,172.90
  6. Step 6: Final answer
    x = 20,271.20

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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.