Home / 22,931.08-31,649.43-14,874.72

Finding the Fourth Proportional to 22,931.08, 31,649.43 and 14,874.72

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Solution

The fourth proportional to 22,931.08, 31,649.43 and 14,874.72 is: 20,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.08 : 31,649.43 = 14,874.72 : x
  2. Step 2: Convert to fraction form
    22,931.08/31,649.43 = 14,874.72/x
  3. Step 3: Cross multiply
    22,931.08x = 31,649.43 × 14,874.72
  4. Step 4: Simplify right side
    22,931.08x = 470,776,409.41
  5. Step 5: Solve for x
    x = 470,776,409.41/22,931.08
  6. Step 6: Final answer
    x = 20,530.06

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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.