Home / 15,353.32-21,182.16-10,051.06

Finding the Fourth Proportional to 15,353.32, 21,182.16 and 10,051.06

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Solution

The fourth proportional to 15,353.32, 21,182.16 and 10,051.06 is: 13,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.32 : 21,182.16 = 10,051.06 : x
  2. Step 2: Convert to fraction form
    15,353.32/21,182.16 = 10,051.06/x
  3. Step 3: Cross multiply
    15,353.32x = 21,182.16 × 10,051.06
  4. Step 4: Simplify right side
    15,353.32x = 212,903,161.09
  5. Step 5: Solve for x
    x = 212,903,161.09/15,353.32
  6. Step 6: Final answer
    x = 13,866.91

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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.