Home / 17,615.90-24,312.45-10,903.70

Finding the Fourth Proportional to 17,615.90, 24,312.45 and 10,903.70

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Solution

The fourth proportional to 17,615.90, 24,312.45 and 10,903.70 is: 15,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.90 : 24,312.45 = 10,903.70 : x
  2. Step 2: Convert to fraction form
    17,615.90/24,312.45 = 10,903.70/x
  3. Step 3: Cross multiply
    17,615.90x = 24,312.45 × 10,903.70
  4. Step 4: Simplify right side
    17,615.90x = 265,095,661.07
  5. Step 5: Solve for x
    x = 265,095,661.07/17,615.90
  6. Step 6: Final answer
    x = 15,048.66

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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.