Home / 23,014.07-31,756.63-12,802.69

Finding the Fourth Proportional to 23,014.07, 31,756.63 and 12,802.69

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Solution

The fourth proportional to 23,014.07, 31,756.63 and 12,802.69 is: 17,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,014.07 : 31,756.63 = 12,802.69 : x
  2. Step 2: Convert to fraction form
    23,014.07/31,756.63 = 12,802.69/x
  3. Step 3: Cross multiply
    23,014.07x = 31,756.63 × 12,802.69
  4. Step 4: Simplify right side
    23,014.07x = 406,570,329.03
  5. Step 5: Solve for x
    x = 406,570,329.03/23,014.07
  6. Step 6: Final answer
    x = 17,666.16

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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.