Home / 25,075.10-37,604.45-8,430.66

Finding the Fourth Proportional to 25,075.10, 37,604.45 and 8,430.66

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Solution

The fourth proportional to 25,075.10, 37,604.45 and 8,430.66 is: 12,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,075.10 : 37,604.45 = 8,430.66 : x
  2. Step 2: Convert to fraction form
    25,075.10/37,604.45 = 8,430.66/x
  3. Step 3: Cross multiply
    25,075.10x = 37,604.45 × 8,430.66
  4. Step 4: Simplify right side
    25,075.10x = 317,030,290.28
  5. Step 5: Solve for x
    x = 317,030,290.28/25,075.10
  6. Step 6: Final answer
    x = 12,643.23

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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.