Home / 15,344.08-21,152.28-10,853.98

Finding the Fourth Proportional to 15,344.08, 21,152.28 and 10,853.98

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Solution

The fourth proportional to 15,344.08, 21,152.28 and 10,853.98 is: 14,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.08 : 21,152.28 = 10,853.98 : x
  2. Step 2: Convert to fraction form
    15,344.08/21,152.28 = 10,853.98/x
  3. Step 3: Cross multiply
    15,344.08x = 21,152.28 × 10,853.98
  4. Step 4: Simplify right side
    15,344.08x = 229,586,424.07
  5. Step 5: Solve for x
    x = 229,586,424.07/15,344.08
  6. Step 6: Final answer
    x = 14,962.54

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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.