Home / 19,802.02-27,294.24-15,816.10

Finding the Fourth Proportional to 19,802.02, 27,294.24 and 15,816.10

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Solution

The fourth proportional to 19,802.02, 27,294.24 and 15,816.10 is: 21,800.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.02 : 27,294.24 = 15,816.10 : x
  2. Step 2: Convert to fraction form
    19,802.02/27,294.24 = 15,816.10/x
  3. Step 3: Cross multiply
    19,802.02x = 27,294.24 × 15,816.10
  4. Step 4: Simplify right side
    19,802.02x = 431,688,429.26
  5. Step 5: Solve for x
    x = 431,688,429.26/19,802.02
  6. Step 6: Final answer
    x = 21,800.22

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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.