Home / 42,895.08-64,330.32-14,807.84

Finding the Fourth Proportional to 42,895.08, 64,330.32 and 14,807.84

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Solution

The fourth proportional to 42,895.08, 64,330.32 and 14,807.84 is: 22,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,895.08 : 64,330.32 = 14,807.84 : x
  2. Step 2: Convert to fraction form
    42,895.08/64,330.32 = 14,807.84/x
  3. Step 3: Cross multiply
    42,895.08x = 64,330.32 × 14,807.84
  4. Step 4: Simplify right side
    42,895.08x = 952,593,085.71
  5. Step 5: Solve for x
    x = 952,593,085.71/42,895.08
  6. Step 6: Final answer
    x = 22,207.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.