Home / 23,142.51-34,685.95-10,645.32

Finding the Fourth Proportional to 23,142.51, 34,685.95 and 10,645.32

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Solution

The fourth proportional to 23,142.51, 34,685.95 and 10,645.32 is: 15,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142.51 : 34,685.95 = 10,645.32 : x
  2. Step 2: Convert to fraction form
    23,142.51/34,685.95 = 10,645.32/x
  3. Step 3: Cross multiply
    23,142.51x = 34,685.95 × 10,645.32
  4. Step 4: Simplify right side
    23,142.51x = 369,243,037.25
  5. Step 5: Solve for x
    x = 369,243,037.25/23,142.51
  6. Step 6: Final answer
    x = 15,955.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.