Home / 13,113.57-18,064.98-9,750.63

Finding the Fourth Proportional to 13,113.57, 18,064.98 and 9,750.63

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Solution

The fourth proportional to 13,113.57, 18,064.98 and 9,750.63 is: 13,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.57 : 18,064.98 = 9,750.63 : x
  2. Step 2: Convert to fraction form
    13,113.57/18,064.98 = 9,750.63/x
  3. Step 3: Cross multiply
    13,113.57x = 18,064.98 × 9,750.63
  4. Step 4: Simplify right side
    13,113.57x = 176,144,935.94
  5. Step 5: Solve for x
    x = 176,144,935.94/13,113.57
  6. Step 6: Final answer
    x = 13,432.26

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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.