Home / 15,498.93-21,352.37-10,775.01

Finding the Fourth Proportional to 15,498.93, 21,352.37 and 10,775.01

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Solution

The fourth proportional to 15,498.93, 21,352.37 and 10,775.01 is: 14,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,498.93 : 21,352.37 = 10,775.01 : x
  2. Step 2: Convert to fraction form
    15,498.93/21,352.37 = 10,775.01/x
  3. Step 3: Cross multiply
    15,498.93x = 21,352.37 × 10,775.01
  4. Step 4: Simplify right side
    15,498.93x = 230,071,946.40
  5. Step 5: Solve for x
    x = 230,071,946.40/15,498.93
  6. Step 6: Final answer
    x = 14,844.38

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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.