Home / 19,802.93-27,328.73-10,851.21

Finding the Fourth Proportional to 19,802.93, 27,328.73 and 10,851.21

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Solution

The fourth proportional to 19,802.93, 27,328.73 and 10,851.21 is: 14,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.93 : 27,328.73 = 10,851.21 : x
  2. Step 2: Convert to fraction form
    19,802.93/27,328.73 = 10,851.21/x
  3. Step 3: Cross multiply
    19,802.93x = 27,328.73 × 10,851.21
  4. Step 4: Simplify right side
    19,802.93x = 296,549,734.01
  5. Step 5: Solve for x
    x = 296,549,734.01/19,802.93
  6. Step 6: Final answer
    x = 14,975.05

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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.