Home / 13,117.26-19,681.28-9,625.08

Finding the Fourth Proportional to 13,117.26, 19,681.28 and 9,625.08

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Solution

The fourth proportional to 13,117.26, 19,681.28 and 9,625.08 is: 14,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.26 : 19,681.28 = 9,625.08 : x
  2. Step 2: Convert to fraction form
    13,117.26/19,681.28 = 9,625.08/x
  3. Step 3: Cross multiply
    13,117.26x = 19,681.28 × 9,625.08
  4. Step 4: Simplify right side
    13,117.26x = 189,433,894.50
  5. Step 5: Solve for x
    x = 189,433,894.50/13,117.26
  6. Step 6: Final answer
    x = 14,441.58

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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.