Home / 14,664.96-21,905.28-12,332.16

Finding the Fourth Proportional to 14,664.96, 21,905.28 and 12,332.16

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Solution

The fourth proportional to 14,664.96, 21,905.28 and 12,332.16 is: 18,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.96 : 21,905.28 = 12,332.16 : x
  2. Step 2: Convert to fraction form
    14,664.96/21,905.28 = 12,332.16/x
  3. Step 3: Cross multiply
    14,664.96x = 21,905.28 × 12,332.16
  4. Step 4: Simplify right side
    14,664.96x = 270,139,417.80
  5. Step 5: Solve for x
    x = 270,139,417.80/14,664.96
  6. Step 6: Final answer
    x = 18,420.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.