Home / 22,232.64-30,681.06-12,160.92

Finding the Fourth Proportional to 22,232.64, 30,681.06 and 12,160.92

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Solution

The fourth proportional to 22,232.64, 30,681.06 and 12,160.92 is: 16,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,232.64 : 30,681.06 = 12,160.92 : x
  2. Step 2: Convert to fraction form
    22,232.64/30,681.06 = 12,160.92/x
  3. Step 3: Cross multiply
    22,232.64x = 30,681.06 × 12,160.92
  4. Step 4: Simplify right side
    22,232.64x = 373,109,916.18
  5. Step 5: Solve for x
    x = 373,109,916.18/22,232.64
  6. Step 6: Final answer
    x = 16,782.08

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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.