Home / 12,051.77-16,663.19-10,555.40

Finding the Fourth Proportional to 12,051.77, 16,663.19 and 10,555.40

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Solution

The fourth proportional to 12,051.77, 16,663.19 and 10,555.40 is: 14,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.77 : 16,663.19 = 10,555.40 : x
  2. Step 2: Convert to fraction form
    12,051.77/16,663.19 = 10,555.40/x
  3. Step 3: Cross multiply
    12,051.77x = 16,663.19 × 10,555.40
  4. Step 4: Simplify right side
    12,051.77x = 175,886,624.61
  5. Step 5: Solve for x
    x = 175,886,624.61/12,051.77
  6. Step 6: Final answer
    x = 14,594.26

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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.