Home / 13,132.95-19,699.71-7,326.51

Finding the Fourth Proportional to 13,132.95, 19,699.71 and 7,326.51

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Solution

The fourth proportional to 13,132.95, 19,699.71 and 7,326.51 is: 10,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.95 : 19,699.71 = 7,326.51 : x
  2. Step 2: Convert to fraction form
    13,132.95/19,699.71 = 7,326.51/x
  3. Step 3: Cross multiply
    13,132.95x = 19,699.71 × 7,326.51
  4. Step 4: Simplify right side
    13,132.95x = 144,330,122.31
  5. Step 5: Solve for x
    x = 144,330,122.31/13,132.95
  6. Step 6: Final answer
    x = 10,989.92

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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.