Home / 14,075.16-19,423.28-8,408.63

Finding the Fourth Proportional to 14,075.16, 19,423.28 and 8,408.63

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Solution

The fourth proportional to 14,075.16, 19,423.28 and 8,408.63 is: 11,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.16 : 19,423.28 = 8,408.63 : x
  2. Step 2: Convert to fraction form
    14,075.16/19,423.28 = 8,408.63/x
  3. Step 3: Cross multiply
    14,075.16x = 19,423.28 × 8,408.63
  4. Step 4: Simplify right side
    14,075.16x = 163,323,174.91
  5. Step 5: Solve for x
    x = 163,323,174.91/14,075.16
  6. Step 6: Final answer
    x = 11,603.65

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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.