Home / 15,807.09-23,710.65-8,886.45

Finding the Fourth Proportional to 15,807.09, 23,710.65 and 8,886.45

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Solution

The fourth proportional to 15,807.09, 23,710.65 and 8,886.45 is: 13,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.09 : 23,710.65 = 8,886.45 : x
  2. Step 2: Convert to fraction form
    15,807.09/23,710.65 = 8,886.45/x
  3. Step 3: Cross multiply
    15,807.09x = 23,710.65 × 8,886.45
  4. Step 4: Simplify right side
    15,807.09x = 210,703,505.69
  5. Step 5: Solve for x
    x = 210,703,505.69/15,807.09
  6. Step 6: Final answer
    x = 13,329.68

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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.