Home / 14,875.84-20,530.48-8,588.20

Finding the Fourth Proportional to 14,875.84, 20,530.48 and 8,588.20

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Solution

The fourth proportional to 14,875.84, 20,530.48 and 8,588.20 is: 11,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.84 : 20,530.48 = 8,588.20 : x
  2. Step 2: Convert to fraction form
    14,875.84/20,530.48 = 8,588.20/x
  3. Step 3: Cross multiply
    14,875.84x = 20,530.48 × 8,588.20
  4. Step 4: Simplify right side
    14,875.84x = 176,319,868.34
  5. Step 5: Solve for x
    x = 176,319,868.34/14,875.84
  6. Step 6: Final answer
    x = 11,852.77

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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.