Home / 14,931.15-20,612.91-11,566.41

Finding the Fourth Proportional to 14,931.15, 20,612.91 and 11,566.41

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Solution

The fourth proportional to 14,931.15, 20,612.91 and 11,566.41 is: 15,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.15 : 20,612.91 = 11,566.41 : x
  2. Step 2: Convert to fraction form
    14,931.15/20,612.91 = 11,566.41/x
  3. Step 3: Cross multiply
    14,931.15x = 20,612.91 × 11,566.41
  4. Step 4: Simplify right side
    14,931.15x = 238,417,368.35
  5. Step 5: Solve for x
    x = 238,417,368.35/14,931.15
  6. Step 6: Final answer
    x = 15,967.78

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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.