Home / 18,503.07-25,532.77-10,543.74

Finding the Fourth Proportional to 18,503.07, 25,532.77 and 10,543.74

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Solution

The fourth proportional to 18,503.07, 25,532.77 and 10,543.74 is: 14,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.07 : 25,532.77 = 10,543.74 : x
  2. Step 2: Convert to fraction form
    18,503.07/25,532.77 = 10,543.74/x
  3. Step 3: Cross multiply
    18,503.07x = 25,532.77 × 10,543.74
  4. Step 4: Simplify right side
    18,503.07x = 269,210,888.36
  5. Step 5: Solve for x
    x = 269,210,888.36/18,503.07
  6. Step 6: Final answer
    x = 14,549.53

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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.