Home / 18,465.17-25,479.36-10,506.51

Finding the Fourth Proportional to 18,465.17, 25,479.36 and 10,506.51

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Solution

The fourth proportional to 18,465.17, 25,479.36 and 10,506.51 is: 14,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.17 : 25,479.36 = 10,506.51 : x
  2. Step 2: Convert to fraction form
    18,465.17/25,479.36 = 10,506.51/x
  3. Step 3: Cross multiply
    18,465.17x = 25,479.36 × 10,506.51
  4. Step 4: Simplify right side
    18,465.17x = 267,699,150.63
  5. Step 5: Solve for x
    x = 267,699,150.63/18,465.17
  6. Step 6: Final answer
    x = 14,497.52

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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.