Home / 19,075.29-26,339.54-12,372.30

Finding the Fourth Proportional to 19,075.29, 26,339.54 and 12,372.30

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Solution

The fourth proportional to 19,075.29, 26,339.54 and 12,372.30 is: 17,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.29 : 26,339.54 = 12,372.30 : x
  2. Step 2: Convert to fraction form
    19,075.29/26,339.54 = 12,372.30/x
  3. Step 3: Cross multiply
    19,075.29x = 26,339.54 × 12,372.30
  4. Step 4: Simplify right side
    19,075.29x = 325,880,690.74
  5. Step 5: Solve for x
    x = 325,880,690.74/19,075.29
  6. Step 6: Final answer
    x = 17,083.92

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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.