Home / 14,075.61-19,424.40-7,702.08

Finding the Fourth Proportional to 14,075.61, 19,424.40 and 7,702.08

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Solution

The fourth proportional to 14,075.61, 19,424.40 and 7,702.08 is: 10,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.61 : 19,424.40 = 7,702.08 : x
  2. Step 2: Convert to fraction form
    14,075.61/19,424.40 = 7,702.08/x
  3. Step 3: Cross multiply
    14,075.61x = 19,424.40 × 7,702.08
  4. Step 4: Simplify right side
    14,075.61x = 149,608,282.75
  5. Step 5: Solve for x
    x = 149,608,282.75/14,075.61
  6. Step 6: Final answer
    x = 10,628.90

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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.