Home / 16,415.63-22,587.95-15,956.36

Finding the Fourth Proportional to 16,415.63, 22,587.95 and 15,956.36

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Solution

The fourth proportional to 16,415.63, 22,587.95 and 15,956.36 is: 21,955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.63 : 22,587.95 = 15,956.36 : x
  2. Step 2: Convert to fraction form
    16,415.63/22,587.95 = 15,956.36/x
  3. Step 3: Cross multiply
    16,415.63x = 22,587.95 × 15,956.36
  4. Step 4: Simplify right side
    16,415.63x = 360,421,461.86
  5. Step 5: Solve for x
    x = 360,421,461.86/16,415.63
  6. Step 6: Final answer
    x = 21,955.99

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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.