Home / 13,598.04-18,764.98-7,629.58

Finding the Fourth Proportional to 13,598.04, 18,764.98 and 7,629.58

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Solution

The fourth proportional to 13,598.04, 18,764.98 and 7,629.58 is: 10,528.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.04 : 18,764.98 = 7,629.58 : x
  2. Step 2: Convert to fraction form
    13,598.04/18,764.98 = 7,629.58/x
  3. Step 3: Cross multiply
    13,598.04x = 18,764.98 × 7,629.58
  4. Step 4: Simplify right side
    13,598.04x = 143,168,916.11
  5. Step 5: Solve for x
    x = 143,168,916.11/13,598.04
  6. Step 6: Final answer
    x = 10,528.64

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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.