Home / 19,670.99-27,146.14-10,718.53

Finding the Fourth Proportional to 19,670.99, 27,146.14 and 10,718.53

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Solution

The fourth proportional to 19,670.99, 27,146.14 and 10,718.53 is: 14,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.99 : 27,146.14 = 10,718.53 : x
  2. Step 2: Convert to fraction form
    19,670.99/27,146.14 = 10,718.53/x
  3. Step 3: Cross multiply
    19,670.99x = 27,146.14 × 10,718.53
  4. Step 4: Simplify right side
    19,670.99x = 290,966,621.31
  5. Step 5: Solve for x
    x = 290,966,621.31/19,670.99
  6. Step 6: Final answer
    x = 14,791.67

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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.