Home / 13,966.02-20,946.87-9,070.38

Finding the Fourth Proportional to 13,966.02, 20,946.87 and 9,070.38

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Solution

The fourth proportional to 13,966.02, 20,946.87 and 9,070.38 is: 13,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.02 : 20,946.87 = 9,070.38 : x
  2. Step 2: Convert to fraction form
    13,966.02/20,946.87 = 9,070.38/x
  3. Step 3: Cross multiply
    13,966.02x = 20,946.87 × 9,070.38
  4. Step 4: Simplify right side
    13,966.02x = 189,996,070.71
  5. Step 5: Solve for x
    x = 189,996,070.71/13,966.02
  6. Step 6: Final answer
    x = 13,604.17

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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.