Home / 14,607.77-20,160.14-8,641.36

Finding the Fourth Proportional to 14,607.77, 20,160.14 and 8,641.36

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Solution

The fourth proportional to 14,607.77, 20,160.14 and 8,641.36 is: 11,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.77 : 20,160.14 = 8,641.36 : x
  2. Step 2: Convert to fraction form
    14,607.77/20,160.14 = 8,641.36/x
  3. Step 3: Cross multiply
    14,607.77x = 20,160.14 × 8,641.36
  4. Step 4: Simplify right side
    14,607.77x = 174,210,966.19
  5. Step 5: Solve for x
    x = 174,210,966.19/14,607.77
  6. Step 6: Final answer
    x = 11,925.91

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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.