Home / 15,416.49-23,126.30-4,323.21

Finding the Fourth Proportional to 15,416.49, 23,126.30 and 4,323.21

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Solution

The fourth proportional to 15,416.49, 23,126.30 and 4,323.21 is: 6,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.49 : 23,126.30 = 4,323.21 : x
  2. Step 2: Convert to fraction form
    15,416.49/23,126.30 = 4,323.21/x
  3. Step 3: Cross multiply
    15,416.49x = 23,126.30 × 4,323.21
  4. Step 4: Simplify right side
    15,416.49x = 99,979,829.81
  5. Step 5: Solve for x
    x = 99,979,829.81/15,416.49
  6. Step 6: Final answer
    x = 6,485.25

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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.