Home / 13,349.51-18,416.49-7,683.02

Finding the Fourth Proportional to 13,349.51, 18,416.49 and 7,683.02

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Solution

The fourth proportional to 13,349.51, 18,416.49 and 7,683.02 is: 10,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.51 : 18,416.49 = 7,683.02 : x
  2. Step 2: Convert to fraction form
    13,349.51/18,416.49 = 7,683.02/x
  3. Step 3: Cross multiply
    13,349.51x = 18,416.49 × 7,683.02
  4. Step 4: Simplify right side
    13,349.51x = 141,494,261.00
  5. Step 5: Solve for x
    x = 141,494,261.00/13,349.51
  6. Step 6: Final answer
    x = 10,599.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.