Home / 29,384.16-40,549.80-15,955.62

Finding the Fourth Proportional to 29,384.16, 40,549.80 and 15,955.62

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Solution

The fourth proportional to 29,384.16, 40,549.80 and 15,955.62 is: 22,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,384.16 : 40,549.80 = 15,955.62 : x
  2. Step 2: Convert to fraction form
    29,384.16/40,549.80 = 15,955.62/x
  3. Step 3: Cross multiply
    29,384.16x = 40,549.80 × 15,955.62
  4. Step 4: Simplify right side
    29,384.16x = 646,997,199.88
  5. Step 5: Solve for x
    x = 646,997,199.88/29,384.16
  6. Step 6: Final answer
    x = 22,018.57

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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.