Home / 14,030.93-21,075.56-11,129.51

Finding the Fourth Proportional to 14,030.93, 21,075.56 and 11,129.51

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Solution

The fourth proportional to 14,030.93, 21,075.56 and 11,129.51 is: 16,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.93 : 21,075.56 = 11,129.51 : x
  2. Step 2: Convert to fraction form
    14,030.93/21,075.56 = 11,129.51/x
  3. Step 3: Cross multiply
    14,030.93x = 21,075.56 × 11,129.51
  4. Step 4: Simplify right side
    14,030.93x = 234,560,494.75
  5. Step 5: Solve for x
    x = 234,560,494.75/14,030.93
  6. Step 6: Final answer
    x = 16,717.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.