Home / 19,360.68-29,075.50-15,857.32

Finding the Fourth Proportional to 19,360.68, 29,075.50 and 15,857.32

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Solution

The fourth proportional to 19,360.68, 29,075.50 and 15,857.32 is: 23,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.68 : 29,075.50 = 15,857.32 : x
  2. Step 2: Convert to fraction form
    19,360.68/29,075.50 = 15,857.32/x
  3. Step 3: Cross multiply
    19,360.68x = 29,075.50 × 15,857.32
  4. Step 4: Simplify right side
    19,360.68x = 461,059,507.66
  5. Step 5: Solve for x
    x = 461,059,507.66/19,360.68
  6. Step 6: Final answer
    x = 23,814.22

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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.