Home / 13,254.18-19,878.18-4,938.12

Finding the Fourth Proportional to 13,254.18, 19,878.18 and 4,938.12

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Solution

The fourth proportional to 13,254.18, 19,878.18 and 4,938.12 is: 7,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.18 : 19,878.18 = 4,938.12 : x
  2. Step 2: Convert to fraction form
    13,254.18/19,878.18 = 4,938.12/x
  3. Step 3: Cross multiply
    13,254.18x = 19,878.18 × 4,938.12
  4. Step 4: Simplify right side
    13,254.18x = 98,160,838.22
  5. Step 5: Solve for x
    x = 98,160,838.22/13,254.18
  6. Step 6: Final answer
    x = 7,406.03

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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.