Home / 13,541.53-18,685.49-7,573.45

Finding the Fourth Proportional to 13,541.53, 18,685.49 and 7,573.45

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Solution

The fourth proportional to 13,541.53, 18,685.49 and 7,573.45 is: 10,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.53 : 18,685.49 = 7,573.45 : x
  2. Step 2: Convert to fraction form
    13,541.53/18,685.49 = 7,573.45/x
  3. Step 3: Cross multiply
    13,541.53x = 18,685.49 × 7,573.45
  4. Step 4: Simplify right side
    13,541.53x = 141,513,574.69
  5. Step 5: Solve for x
    x = 141,513,574.69/13,541.53
  6. Step 6: Final answer
    x = 10,450.34

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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.