Home / 19,205.68-28,810.68-10,453.36

Finding the Fourth Proportional to 19,205.68, 28,810.68 and 10,453.36

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Solution

The fourth proportional to 19,205.68, 28,810.68 and 10,453.36 is: 15,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.68 : 28,810.68 = 10,453.36 : x
  2. Step 2: Convert to fraction form
    19,205.68/28,810.68 = 10,453.36/x
  3. Step 3: Cross multiply
    19,205.68x = 28,810.68 × 10,453.36
  4. Step 4: Simplify right side
    19,205.68x = 301,168,409.88
  5. Step 5: Solve for x
    x = 301,168,409.88/19,205.68
  6. Step 6: Final answer
    x = 15,681.22

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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.