Home / 15,368.24-21,211.26-10,061.12

Finding the Fourth Proportional to 15,368.24, 21,211.26 and 10,061.12

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Solution

The fourth proportional to 15,368.24, 21,211.26 and 10,061.12 is: 13,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,368.24 : 21,211.26 = 10,061.12 : x
  2. Step 2: Convert to fraction form
    15,368.24/21,211.26 = 10,061.12/x
  3. Step 3: Cross multiply
    15,368.24x = 21,211.26 × 10,061.12
  4. Step 4: Simplify right side
    15,368.24x = 213,409,032.21
  5. Step 5: Solve for x
    x = 213,409,032.21/15,368.24
  6. Step 6: Final answer
    x = 13,886.37

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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.