Home / 15,492.42-21,368.73-10,185.54

Finding the Fourth Proportional to 15,492.42, 21,368.73 and 10,185.54

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Solution

The fourth proportional to 15,492.42, 21,368.73 and 10,185.54 is: 14,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.42 : 21,368.73 = 10,185.54 : x
  2. Step 2: Convert to fraction form
    15,492.42/21,368.73 = 10,185.54/x
  3. Step 3: Cross multiply
    15,492.42x = 21,368.73 × 10,185.54
  4. Step 4: Simplify right side
    15,492.42x = 217,652,054.16
  5. Step 5: Solve for x
    x = 217,652,054.16/15,492.42
  6. Step 6: Final answer
    x = 14,048.94

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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.