Home / 32,698.40-45,123.80-18,356.24

Finding the Fourth Proportional to 32,698.40, 45,123.80 and 18,356.24

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Solution

The fourth proportional to 32,698.40, 45,123.80 and 18,356.24 is: 25,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,698.40 : 45,123.80 = 18,356.24 : x
  2. Step 2: Convert to fraction form
    32,698.40/45,123.80 = 18,356.24/x
  3. Step 3: Cross multiply
    32,698.40x = 45,123.80 × 18,356.24
  4. Step 4: Simplify right side
    32,698.40x = 828,302,985.11
  5. Step 5: Solve for x
    x = 828,302,985.11/32,698.40
  6. Step 6: Final answer
    x = 25,331.61

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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.