Home / 13,315.52-19,973.36-5,918.24

Finding the Fourth Proportional to 13,315.52, 19,973.36 and 5,918.24

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Solution

The fourth proportional to 13,315.52, 19,973.36 and 5,918.24 is: 8,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.52 : 19,973.36 = 5,918.24 : x
  2. Step 2: Convert to fraction form
    13,315.52/19,973.36 = 5,918.24/x
  3. Step 3: Cross multiply
    13,315.52x = 19,973.36 × 5,918.24
  4. Step 4: Simplify right side
    13,315.52x = 118,207,138.09
  5. Step 5: Solve for x
    x = 118,207,138.09/13,315.52
  6. Step 6: Final answer
    x = 8,877.40

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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.