Home / 42,963.08-64,429.12-14,875.52

Finding the Fourth Proportional to 42,963.08, 64,429.12 and 14,875.52

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Solution

The fourth proportional to 42,963.08, 64,429.12 and 14,875.52 is: 22,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,963.08 : 64,429.12 = 14,875.52 : x
  2. Step 2: Convert to fraction form
    42,963.08/64,429.12 = 14,875.52/x
  3. Step 3: Cross multiply
    42,963.08x = 64,429.12 × 14,875.52
  4. Step 4: Simplify right side
    42,963.08x = 958,416,663.14
  5. Step 5: Solve for x
    x = 958,416,663.14/42,963.08
  6. Step 6: Final answer
    x = 22,307.91

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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.