Home / 14,492.40-21,738.60-8,927.70

Finding the Fourth Proportional to 14,492.40, 21,738.60 and 8,927.70

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Solution

The fourth proportional to 14,492.40, 21,738.60 and 8,927.70 is: 13,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,492.40 : 21,738.60 = 8,927.70 : x
  2. Step 2: Convert to fraction form
    14,492.40/21,738.60 = 8,927.70/x
  3. Step 3: Cross multiply
    14,492.40x = 21,738.60 × 8,927.70
  4. Step 4: Simplify right side
    14,492.40x = 194,075,699.22
  5. Step 5: Solve for x
    x = 194,075,699.22/14,492.40
  6. Step 6: Final answer
    x = 13,391.55

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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.