Home / 19,483.21-26,886.30-10,985.26

Finding the Fourth Proportional to 19,483.21, 26,886.30 and 10,985.26

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Solution

The fourth proportional to 19,483.21, 26,886.30 and 10,985.26 is: 15,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.21 : 26,886.30 = 10,985.26 : x
  2. Step 2: Convert to fraction form
    19,483.21/26,886.30 = 10,985.26/x
  3. Step 3: Cross multiply
    19,483.21x = 26,886.30 × 10,985.26
  4. Step 4: Simplify right side
    19,483.21x = 295,352,995.94
  5. Step 5: Solve for x
    x = 295,352,995.94/19,483.21
  6. Step 6: Final answer
    x = 15,159.36

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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.