Home / 15,666.10-23,491.37-4,991.07

Finding the Fourth Proportional to 15,666.10, 23,491.37 and 4,991.07

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Solution

The fourth proportional to 15,666.10, 23,491.37 and 4,991.07 is: 7,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.10 : 23,491.37 = 4,991.07 : x
  2. Step 2: Convert to fraction form
    15,666.10/23,491.37 = 4,991.07/x
  3. Step 3: Cross multiply
    15,666.10x = 23,491.37 × 4,991.07
  4. Step 4: Simplify right side
    15,666.10x = 117,246,954.61
  5. Step 5: Solve for x
    x = 117,246,954.61/15,666.10
  6. Step 6: Final answer
    x = 7,484.12

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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.