Home / 14,877.84-20,531.24-8,590.08

Finding the Fourth Proportional to 14,877.84, 20,531.24 and 8,590.08

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Solution

The fourth proportional to 14,877.84, 20,531.24 and 8,590.08 is: 11,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.84 : 20,531.24 = 8,590.08 : x
  2. Step 2: Convert to fraction form
    14,877.84/20,531.24 = 8,590.08/x
  3. Step 3: Cross multiply
    14,877.84x = 20,531.24 × 8,590.08
  4. Step 4: Simplify right side
    14,877.84x = 176,364,994.10
  5. Step 5: Solve for x
    x = 176,364,994.10/14,877.84
  6. Step 6: Final answer
    x = 11,854.21

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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.