Home / 34,700.15-47,886.15-18,784.59

Finding the Fourth Proportional to 34,700.15, 47,886.15 and 18,784.59

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Solution

The fourth proportional to 34,700.15, 47,886.15 and 18,784.59 is: 25,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,700.15 : 47,886.15 = 18,784.59 : x
  2. Step 2: Convert to fraction form
    34,700.15/47,886.15 = 18,784.59/x
  3. Step 3: Cross multiply
    34,700.15x = 47,886.15 × 18,784.59
  4. Step 4: Simplify right side
    34,700.15x = 899,521,600.51
  5. Step 5: Solve for x
    x = 899,521,600.51/34,700.15
  6. Step 6: Final answer
    x = 25,922.70

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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.