Home / 32,695.72-45,123.40-19,271.28

Finding the Fourth Proportional to 32,695.72, 45,123.40 and 19,271.28

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Solution

The fourth proportional to 32,695.72, 45,123.40 and 19,271.28 is: 26,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,695.72 : 45,123.40 = 19,271.28 : x
  2. Step 2: Convert to fraction form
    32,695.72/45,123.40 = 19,271.28/x
  3. Step 3: Cross multiply
    32,695.72x = 45,123.40 × 19,271.28
  4. Step 4: Simplify right side
    32,695.72x = 869,585,675.95
  5. Step 5: Solve for x
    x = 869,585,675.95/32,695.72
  6. Step 6: Final answer
    x = 26,596.32

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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.