Home / 18,501.93-25,531.74-10,950.53

Finding the Fourth Proportional to 18,501.93, 25,531.74 and 10,950.53

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Solution

The fourth proportional to 18,501.93, 25,531.74 and 10,950.53 is: 15,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.93 : 25,531.74 = 10,950.53 : x
  2. Step 2: Convert to fraction form
    18,501.93/25,531.74 = 10,950.53/x
  3. Step 3: Cross multiply
    18,501.93x = 25,531.74 × 10,950.53
  4. Step 4: Simplify right side
    18,501.93x = 279,585,957.16
  5. Step 5: Solve for x
    x = 279,585,957.16/18,501.93
  6. Step 6: Final answer
    x = 15,111.18

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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.