Home / 26,603.80-39,911.10-9,075.40

Finding the Fourth Proportional to 26,603.80, 39,911.10 and 9,075.40

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Solution

The fourth proportional to 26,603.80, 39,911.10 and 9,075.40 is: 13,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.80 : 39,911.10 = 9,075.40 : x
  2. Step 2: Convert to fraction form
    26,603.80/39,911.10 = 9,075.40/x
  3. Step 3: Cross multiply
    26,603.80x = 39,911.10 × 9,075.40
  4. Step 4: Simplify right side
    26,603.80x = 362,209,196.94
  5. Step 5: Solve for x
    x = 362,209,196.94/26,603.80
  6. Step 6: Final answer
    x = 13,614.94

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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.