Home / 32,880.95-45,364.82-18,538.98

Finding the Fourth Proportional to 32,880.95, 45,364.82 and 18,538.98

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Solution

The fourth proportional to 32,880.95, 45,364.82 and 18,538.98 is: 25,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,880.95 : 45,364.82 = 18,538.98 : x
  2. Step 2: Convert to fraction form
    32,880.95/45,364.82 = 18,538.98/x
  3. Step 3: Cross multiply
    32,880.95x = 45,364.82 × 18,538.98
  4. Step 4: Simplify right side
    32,880.95x = 841,017,397.99
  5. Step 5: Solve for x
    x = 841,017,397.99/32,880.95
  6. Step 6: Final answer
    x = 25,577.65

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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.