Home / 32,710.74-45,140.69-18,368.57

Finding the Fourth Proportional to 32,710.74, 45,140.69 and 18,368.57

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Solution

The fourth proportional to 32,710.74, 45,140.69 and 18,368.57 is: 25,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,710.74 : 45,140.69 = 18,368.57 : x
  2. Step 2: Convert to fraction form
    32,710.74/45,140.69 = 18,368.57/x
  3. Step 3: Cross multiply
    32,710.74x = 45,140.69 × 18,368.57
  4. Step 4: Simplify right side
    32,710.74x = 829,169,832.27
  5. Step 5: Solve for x
    x = 829,169,832.27/32,710.74
  6. Step 6: Final answer
    x = 25,348.55

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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.