Home / 14,130.04-21,172.02-7,195

Finding the Fourth Proportional to 14,130.04, 21,172.02 and 7,195

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Solution

The fourth proportional to 14,130.04, 21,172.02 and 7,195 is: 10,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.04 : 21,172.02 = 7,195 : x
  2. Step 2: Convert to fraction form
    14,130.04/21,172.02 = 7,195/x
  3. Step 3: Cross multiply
    14,130.04x = 21,172.02 × 7,195
  4. Step 4: Simplify right side
    14,130.04x = 152,332,683.90
  5. Step 5: Solve for x
    x = 152,332,683.90/14,130.04
  6. Step 6: Final answer
    x = 10,780.77

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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.