Home / 13,038.58-17,993.26-7,070.22

Finding the Fourth Proportional to 13,038.58, 17,993.26 and 7,070.22

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Solution

The fourth proportional to 13,038.58, 17,993.26 and 7,070.22 is: 9,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.58 : 17,993.26 = 7,070.22 : x
  2. Step 2: Convert to fraction form
    13,038.58/17,993.26 = 7,070.22/x
  3. Step 3: Cross multiply
    13,038.58x = 17,993.26 × 7,070.22
  4. Step 4: Simplify right side
    13,038.58x = 127,216,306.72
  5. Step 5: Solve for x
    x = 127,216,306.72/13,038.58
  6. Step 6: Final answer
    x = 9,756.91

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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.