Home / 13,858.16-19,117.60-10,075.46

Finding the Fourth Proportional to 13,858.16, 19,117.60 and 10,075.46

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Solution

The fourth proportional to 13,858.16, 19,117.60 and 10,075.46 is: 13,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.16 : 19,117.60 = 10,075.46 : x
  2. Step 2: Convert to fraction form
    13,858.16/19,117.60 = 10,075.46/x
  3. Step 3: Cross multiply
    13,858.16x = 19,117.60 × 10,075.46
  4. Step 4: Simplify right side
    13,858.16x = 192,618,614.10
  5. Step 5: Solve for x
    x = 192,618,614.10/13,858.16
  6. Step 6: Final answer
    x = 13,899.29

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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.