Home / 13,915.07-19,202.86-7,541.67

Finding the Fourth Proportional to 13,915.07, 19,202.86 and 7,541.67

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Solution

The fourth proportional to 13,915.07, 19,202.86 and 7,541.67 is: 10,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.07 : 19,202.86 = 7,541.67 : x
  2. Step 2: Convert to fraction form
    13,915.07/19,202.86 = 7,541.67/x
  3. Step 3: Cross multiply
    13,915.07x = 19,202.86 × 7,541.67
  4. Step 4: Simplify right side
    13,915.07x = 144,821,633.18
  5. Step 5: Solve for x
    x = 144,821,633.18/13,915.07
  6. Step 6: Final answer
    x = 10,407.54

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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.