Home / 15,482.66-21,374.93-10,192.86

Finding the Fourth Proportional to 15,482.66, 21,374.93 and 10,192.86

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Solution

The fourth proportional to 15,482.66, 21,374.93 and 10,192.86 is: 14,071.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.66 : 21,374.93 = 10,192.86 : x
  2. Step 2: Convert to fraction form
    15,482.66/21,374.93 = 10,192.86/x
  3. Step 3: Cross multiply
    15,482.66x = 21,374.93 × 10,192.86
  4. Step 4: Simplify right side
    15,482.66x = 217,871,694.48
  5. Step 5: Solve for x
    x = 217,871,694.48/15,482.66
  6. Step 6: Final answer
    x = 14,071.99

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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.