Home / 18,066.40-24,907.08-12,681.52

Finding the Fourth Proportional to 18,066.40, 24,907.08 and 12,681.52

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Solution

The fourth proportional to 18,066.40, 24,907.08 and 12,681.52 is: 17,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066.40 : 24,907.08 = 12,681.52 : x
  2. Step 2: Convert to fraction form
    18,066.40/24,907.08 = 12,681.52/x
  3. Step 3: Cross multiply
    18,066.40x = 24,907.08 × 12,681.52
  4. Step 4: Simplify right side
    18,066.40x = 315,859,633.16
  5. Step 5: Solve for x
    x = 315,859,633.16/18,066.40
  6. Step 6: Final answer
    x = 17,483.26

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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.