Home / 14,931.40-22,397.10-6,172.60

Finding the Fourth Proportional to 14,931.40, 22,397.10 and 6,172.60

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Solution

The fourth proportional to 14,931.40, 22,397.10 and 6,172.60 is: 9,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.40 : 22,397.10 = 6,172.60 : x
  2. Step 2: Convert to fraction form
    14,931.40/22,397.10 = 6,172.60/x
  3. Step 3: Cross multiply
    14,931.40x = 22,397.10 × 6,172.60
  4. Step 4: Simplify right side
    14,931.40x = 138,248,339.46
  5. Step 5: Solve for x
    x = 138,248,339.46/14,931.40
  6. Step 6: Final answer
    x = 9,258.90

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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.