Home / 32,586.72-44,969.28-18,439.20

Finding the Fourth Proportional to 32,586.72, 44,969.28 and 18,439.20

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Solution

The fourth proportional to 32,586.72, 44,969.28 and 18,439.20 is: 25,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,586.72 : 44,969.28 = 18,439.20 : x
  2. Step 2: Convert to fraction form
    32,586.72/44,969.28 = 18,439.20/x
  3. Step 3: Cross multiply
    32,586.72x = 44,969.28 × 18,439.20
  4. Step 4: Simplify right side
    32,586.72x = 829,197,547.78
  5. Step 5: Solve for x
    x = 829,197,547.78/32,586.72
  6. Step 6: Final answer
    x = 25,445.87

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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.