Home / 29,187.02-40,278.10-16,611.76

Finding the Fourth Proportional to 29,187.02, 40,278.10 and 16,611.76

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Solution

The fourth proportional to 29,187.02, 40,278.10 and 16,611.76 is: 22,924.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,187.02 : 40,278.10 = 16,611.76 : x
  2. Step 2: Convert to fraction form
    29,187.02/40,278.10 = 16,611.76/x
  3. Step 3: Cross multiply
    29,187.02x = 40,278.10 × 16,611.76
  4. Step 4: Simplify right side
    29,187.02x = 669,090,130.46
  5. Step 5: Solve for x
    x = 669,090,130.46/29,187.02
  6. Step 6: Final answer
    x = 22,924.24

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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.