Home / 19,261.89-26,578.69-10,763.35

Finding the Fourth Proportional to 19,261.89, 26,578.69 and 10,763.35

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Solution

The fourth proportional to 19,261.89, 26,578.69 and 10,763.35 is: 14,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.89 : 26,578.69 = 10,763.35 : x
  2. Step 2: Convert to fraction form
    19,261.89/26,578.69 = 10,763.35/x
  3. Step 3: Cross multiply
    19,261.89x = 26,578.69 × 10,763.35
  4. Step 4: Simplify right side
    19,261.89x = 286,075,649.66
  5. Step 5: Solve for x
    x = 286,075,649.66/19,261.89
  6. Step 6: Final answer
    x = 14,851.90

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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.